68406645

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 111513600

約数和(自身を除く): 43106955

約数列:

[1, 3, 5, 15, 127, 149, 241, 381, 447, 635, 723, 745, 1205, 1905, 2235, 3615, 18923, 30607, 35909, 56769, 91821, 94615, 107727, 153035, 179545, 283845, 459105, 538635, 4560443, 13681329, 22802215, 68406645]

約数ペア:

[(1, 68406645), (3, 22802215), (5, 13681329), (15, 4560443), (127, 538635), (149, 459105), (241, 283845), (381, 179545), (447, 153035), (635, 107727), (723, 94615), (745, 91821), (1205, 56769), (1905, 35909), (2235, 30607), (3615, 18923)]