81255636

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3257}}^1$

素因数の和:3291

約数の個数: 120

約数和(自身を含む): 264914496

約数和(自身を除く): 183658860

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, 252, 297, 308, 324, 378, 396, 462, 567, 594, 693, 756, 891, 924, 1134, 1188, 1386, 1782, 2079, 2268, 2772, 3257, 3564, 4158, 6237, 6514, 8316, 9771, 12474, 13028, 19542, 22799, 24948, 29313, 35827, 39084, 45598, 58626, 68397, 71654, 87939, 91196, 107481, 117252, 136794, 143308, 175878, 205191, 214962, 250789, 263817, 273588, 322443, 351756, 410382, 429924, 501578, 527634, 615573, 644886, 752367, 820764, 967329, 1003156, 1055268, 1231146, 1289772, 1504734, 1846719, 1934658, 2257101, 2462292, 2901987, 3009468, 3693438, 3869316, 4514202, 5803974, 6771303, 7386876, 9028404, 11607948, 13542606, 20313909, 27085212, 40627818, 81255636]

約数ペア:

[(1, 81255636), (2, 40627818), (3, 27085212), (4, 20313909), (6, 13542606), (7, 11607948), (9, 9028404), (11, 7386876), (12, 6771303), (14, 5803974), (18, 4514202), (21, 3869316), (22, 3693438), (27, 3009468), (28, 2901987), (33, 2462292), (36, 2257101), (42, 1934658), (44, 1846719), (54, 1504734), (63, 1289772), (66, 1231146), (77, 1055268), (81, 1003156), (84, 967329), (99, 820764), (108, 752367), (126, 644886), (132, 615573), (154, 527634), (162, 501578), (189, 429924), (198, 410382), (231, 351756), (252, 322443), (297, 273588), (308, 263817), (324, 250789), (378, 214962), (396, 205191), (462, 175878), (567, 143308), (594, 136794), (693, 117252), (756, 107481), (891, 91196), (924, 87939), (1134, 71654), (1188, 68397), (1386, 58626), (1782, 45598), (2079, 39084), (2268, 35827), (2772, 29313), (3257, 24948), (3564, 22799), (4158, 19542), (6237, 13028), (6514, 12474), (8316, 9771)]