81165708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173431}}^1$

素因数の和:173454

約数の個数: 36

約数和(自身を含む): 220952368

約数和(自身を除く): 139786660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173431, 346862, 520293, 693724, 1040586, 1560879, 2081172, 2254603, 3121758, 4509206, 6243516, 6763809, 9018412, 13527618, 20291427, 27055236, 40582854, 81165708]

約数ペア:

[(1, 81165708), (2, 40582854), (3, 27055236), (4, 20291427), (6, 13527618), (9, 9018412), (12, 6763809), (13, 6243516), (18, 4509206), (26, 3121758), (36, 2254603), (39, 2081172), (52, 1560879), (78, 1040586), (117, 693724), (156, 520293), (234, 346862), (468, 173431)]