217721196

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2946

約数の個数: 144

約数和(自身を含む): 711809280

約数和(自身を除く): 494088084

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 243, 252, 297, 308, 324, 378, 396, 462, 486, 567, 594, 693, 756, 891, 924, 972, 1134, 1188, 1386, 1701, 1782, 2079, 2268, 2673, 2772, 2909, 3402, 3564, 4158, 5346, 5818, 6237, 6804, 8316, 8727, 10692, 11636, 12474, 17454, 18711, 20363, 24948, 26181, 31999, 34908, 37422, 40726, 52362, 61089, 63998, 74844, 78543, 81452, 95997, 104724, 122178, 127996, 157086, 183267, 191994, 223993, 235629, 244356, 287991, 314172, 366534, 383988, 447986, 471258, 549801, 575982, 671979, 706887, 733068, 863973, 895972, 942516, 1099602, 1151964, 1343958, 1413774, 1649403, 1727946, 2015937, 2199204, 2591919, 2687916, 2827548, 3298806, 3455892, 4031874, 4948209, 5183838, 6047811, 6597612, 7775757, 8063748, 9896418, 10367676, 12095622, 15551514, 18143433, 19792836, 24191244, 31103028, 36286866, 54430299, 72573732, 108860598, 217721196]

約数ペア:

[(1, 217721196), (2, 108860598), (3, 72573732), (4, 54430299), (6, 36286866), (7, 31103028), (9, 24191244), (11, 19792836), (12, 18143433), (14, 15551514), (18, 12095622), (21, 10367676), (22, 9896418), (27, 8063748), (28, 7775757), (33, 6597612), (36, 6047811), (42, 5183838), (44, 4948209), (54, 4031874), (63, 3455892), (66, 3298806), (77, 2827548), (81, 2687916), (84, 2591919), (99, 2199204), (108, 2015937), (126, 1727946), (132, 1649403), (154, 1413774), (162, 1343958), (189, 1151964), (198, 1099602), (231, 942516), (243, 895972), (252, 863973), (297, 733068), (308, 706887), (324, 671979), (378, 575982), (396, 549801), (462, 471258), (486, 447986), (567, 383988), (594, 366534), (693, 314172), (756, 287991), (891, 244356), (924, 235629), (972, 223993), (1134, 191994), (1188, 183267), (1386, 157086), (1701, 127996), (1782, 122178), (2079, 104724), (2268, 95997), (2673, 81452), (2772, 78543), (2909, 74844), (3402, 63998), (3564, 61089), (4158, 52362), (5346, 40726), (5818, 37422), (6237, 34908), (6804, 31999), (8316, 26181), (8727, 24948), (10692, 20363), (11636, 18711), (12474, 17454)]