31218156

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1597}}^1$

素因数の和:1791

約数の個数: 48

約数和(自身を含む): 81434080

約数和(自身を除く): 50215924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1086, 1597, 1629, 2172, 3194, 3258, 4791, 4887, 6388, 6516, 9582, 9774, 14373, 19164, 19548, 28746, 43119, 57492, 86238, 172476, 289057, 578114, 867171, 1156228, 1734342, 2601513, 3468684, 5203026, 7804539, 10406052, 15609078, 31218156]

約数ペア:

[(1, 31218156), (2, 15609078), (3, 10406052), (4, 7804539), (6, 5203026), (9, 3468684), (12, 2601513), (18, 1734342), (27, 1156228), (36, 867171), (54, 578114), (108, 289057), (181, 172476), (362, 86238), (543, 57492), (724, 43119), (1086, 28746), (1597, 19548), (1629, 19164), (2172, 14373), (3194, 9774), (3258, 9582), (4791, 6516), (4887, 6388)]