55921731

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 81181440

約数和(自身を除く): 25259709

約数列:

[1, 3, 19, 53, 57, 107, 159, 173, 321, 519, 1007, 2033, 3021, 3287, 5671, 6099, 9169, 9861, 17013, 18511, 27507, 55533, 107749, 174211, 323247, 351709, 522633, 981083, 1055127, 2943249, 18640577, 55921731]

約数ペア:

[(1, 55921731), (3, 18640577), (19, 2943249), (53, 1055127), (57, 981083), (107, 522633), (159, 351709), (173, 323247), (321, 174211), (519, 107749), (1007, 55533), (2033, 27507), (3021, 18511), (3287, 17013), (5671, 9861), (6099, 9169)]