51271515

素因数分解:

$3^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{647}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 91445760

約数和(自身を除く): 40174245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 587, 647, 1761, 1941, 2935, 3235, 5283, 5823, 8805, 9705, 15849, 17469, 26415, 29115, 79245, 87345, 379789, 1139367, 1898945, 3418101, 5696835, 10254303, 17090505, 51271515]

約数ペア:

[(1, 51271515), (3, 17090505), (5, 10254303), (9, 5696835), (15, 3418101), (27, 1898945), (45, 1139367), (135, 379789), (587, 87345), (647, 79245), (1761, 29115), (1941, 26415), (2935, 17469), (3235, 15849), (5283, 9705), (5823, 8805)]