55425519

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 85272000

約数和(自身を除く): 29846481

約数列:

[1, 3, 9, 27, 37, 109, 111, 327, 333, 509, 981, 999, 1527, 2943, 4033, 4581, 12099, 13743, 18833, 36297, 55481, 56499, 108891, 166443, 169497, 499329, 508491, 1497987, 2052797, 6158391, 18475173, 55425519]

約数ペア:

[(1, 55425519), (3, 18475173), (9, 6158391), (27, 2052797), (37, 1497987), (109, 508491), (111, 499329), (327, 169497), (333, 166443), (509, 108891), (981, 56499), (999, 55481), (1527, 36297), (2943, 18833), (4033, 13743), (4581, 12099)]