70020015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2621}}^1$

素因数の和:2779

約数の個数: 32

約数和(自身を含む): 121576896

約数和(自身を除く): 51556881

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 2621, 5343, 7863, 8905, 13105, 26715, 34073, 39315, 102219, 170365, 359077, 511095, 1077231, 1795385, 4668001, 5386155, 14004003, 23340005, 70020015]

約数ペア:

[(1, 70020015), (3, 23340005), (5, 14004003), (13, 5386155), (15, 4668001), (39, 1795385), (65, 1077231), (137, 511095), (195, 359077), (411, 170365), (685, 102219), (1781, 39315), (2055, 34073), (2621, 26715), (5343, 13105), (7863, 8905)]