639778815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1093639}}^1$

素因数の和:1093663

約数の個数: 24

約数和(自身を含む): 1194254880

約数和(自身を除く): 554476065

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1093639, 3280917, 5468195, 9842751, 14217307, 16404585, 42651921, 49213755, 71086535, 127955763, 213259605, 639778815]

約数ペア:

[(1, 639778815), (3, 213259605), (5, 127955763), (9, 71086535), (13, 49213755), (15, 42651921), (39, 16404585), (45, 14217307), (65, 9842751), (117, 5468195), (195, 3280917), (585, 1093639)]