64140735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 105684480

約数和(自身を除く): 41543745

約数列:

[1, 3, 5, 15, 43, 129, 215, 277, 359, 645, 831, 1077, 1385, 1795, 4155, 5385, 11911, 15437, 35733, 46311, 59555, 77185, 99443, 178665, 231555, 298329, 497215, 1491645, 4276049, 12828147, 21380245, 64140735]

約数ペア:

[(1, 64140735), (3, 21380245), (5, 12828147), (15, 4276049), (43, 1491645), (129, 497215), (215, 298329), (277, 231555), (359, 178665), (645, 99443), (831, 77185), (1077, 59555), (1385, 46311), (1795, 35733), (4155, 15437), (5385, 11911)]