64770495

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 106272000

約数和(自身を除く): 41501505

約数列:

[1, 3, 5, 15, 59, 163, 177, 295, 449, 489, 815, 885, 1347, 2245, 2445, 6735, 9617, 26491, 28851, 48085, 73187, 79473, 132455, 144255, 219561, 365935, 397365, 1097805, 4318033, 12954099, 21590165, 64770495]

約数ペア:

[(1, 64770495), (3, 21590165), (5, 12954099), (15, 4318033), (59, 1097805), (163, 397365), (177, 365935), (295, 219561), (449, 144255), (489, 132455), (815, 79473), (885, 73187), (1347, 48085), (2245, 28851), (2445, 26491), (6735, 9617)]