81728766

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4877}}^1$

素因数の和:4918

約数の個数: 72

約数和(自身を含む): 216875880

約数和(自身を除く): 135147114

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 2394, 2793, 4877, 5586, 8379, 9754, 14631, 16758, 29262, 34139, 43893, 68278, 87786, 92663, 102417, 185326, 204834, 238973, 277989, 307251, 477946, 555978, 614502, 648641, 716919, 833967, 1297282, 1433838, 1667934, 1945923, 2150757, 3891846, 4301514, 4540487, 5837769, 9080974, 11675538, 13621461, 27242922, 40864383, 81728766]

約数ペア:

[(1, 81728766), (2, 40864383), (3, 27242922), (6, 13621461), (7, 11675538), (9, 9080974), (14, 5837769), (18, 4540487), (19, 4301514), (21, 3891846), (38, 2150757), (42, 1945923), (49, 1667934), (57, 1433838), (63, 1297282), (98, 833967), (114, 716919), (126, 648641), (133, 614502), (147, 555978), (171, 477946), (266, 307251), (294, 277989), (342, 238973), (399, 204834), (441, 185326), (798, 102417), (882, 92663), (931, 87786), (1197, 68278), (1862, 43893), (2394, 34139), (2793, 29262), (4877, 16758), (5586, 14631), (8379, 9754)]