61811919

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{40639}}^1$

素因数の和:40671

約数の個数: 18

約数和(自身を含む): 96682560

約数和(自身を除く): 34870641

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 40639, 121917, 365751, 528307, 1584921, 4754763, 6867991, 20603973, 61811919]

約数ペア:

[(1, 61811919), (3, 20603973), (9, 6867991), (13, 4754763), (39, 1584921), (117, 528307), (169, 365751), (507, 121917), (1521, 40639)]