87165939

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{218461}}^1$

素因数の和:218490

約数の個数: 16

約数和(自身を含む): 139815680

約数和(自身を除く): 52649741

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 218461, 655383, 1529227, 4150759, 4587681, 12452277, 29055313, 87165939]

約数ペア:

[(1, 87165939), (3, 29055313), (7, 12452277), (19, 4587681), (21, 4150759), (57, 1529227), (133, 655383), (399, 218461)]