81862164

素因数分解:

$2^2\times 3^4\times {\mathrm{307}}^1\times {\mathrm{823}}^1$

素因数の和:1146

約数の個数: 60

約数和(自身を含む): 214961824

約数和(自身を除く): 133099660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 307, 324, 614, 823, 921, 1228, 1646, 1842, 2469, 2763, 3292, 3684, 4938, 5526, 7407, 8289, 9876, 11052, 14814, 16578, 22221, 24867, 29628, 33156, 44442, 49734, 66663, 88884, 99468, 133326, 252661, 266652, 505322, 757983, 1010644, 1515966, 2273949, 3031932, 4547898, 6821847, 9095796, 13643694, 20465541, 27287388, 40931082, 81862164]

約数ペア:

[(1, 81862164), (2, 40931082), (3, 27287388), (4, 20465541), (6, 13643694), (9, 9095796), (12, 6821847), (18, 4547898), (27, 3031932), (36, 2273949), (54, 1515966), (81, 1010644), (108, 757983), (162, 505322), (307, 266652), (324, 252661), (614, 133326), (823, 99468), (921, 88884), (1228, 66663), (1646, 49734), (1842, 44442), (2469, 33156), (2763, 29628), (3292, 24867), (3684, 22221), (4938, 16578), (5526, 14814), (7407, 11052), (8289, 9876)]