138020247

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1900

約数の個数: 32

約数和(自身を含む): 212367360

約数和(自身を除く): 74347113

約数列:

[1, 3, 9, 27, 47, 61, 141, 183, 423, 549, 1269, 1647, 1783, 2867, 5349, 8601, 16047, 25803, 48141, 77409, 83801, 108763, 251403, 326289, 754209, 978867, 2262627, 2936601, 5111861, 15335583, 46006749, 138020247]

約数ペア:

[(1, 138020247), (3, 46006749), (9, 15335583), (27, 5111861), (47, 2936601), (61, 2262627), (141, 978867), (183, 754209), (423, 326289), (549, 251403), (1269, 108763), (1647, 83801), (1783, 77409), (2867, 48141), (5349, 25803), (8601, 16047)]