15705721239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{245107}}^1$

素因数の和:245207

約数の個数: 32

約数和(自身を含む): 23718610944

約数和(自身を除く): 8012889705

約数列:

[1, 3, 13, 31, 39, 53, 93, 159, 403, 689, 1209, 1643, 2067, 4929, 21359, 64077, 245107, 735321, 3186391, 7598317, 9559173, 12990671, 22794951, 38972013, 98778121, 168878723, 296334363, 402710801, 506636169, 1208132403, 5235240413, 15705721239]

約数ペア:

[(1, 15705721239), (3, 5235240413), (13, 1208132403), (31, 506636169), (39, 402710801), (53, 296334363), (93, 168878723), (159, 98778121), (403, 38972013), (689, 22794951), (1209, 12990671), (1643, 9559173), (2067, 7598317), (4929, 3186391), (21359, 735321), (64077, 245107)]