3937977

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:870

約数の個数: 20

約数和(自身を含む): 5986596

約数和(自身を除く): 2048619

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 797, 1647, 2391, 4941, 7173, 21519, 48617, 64557, 145851, 437553, 1312659, 3937977]

約数ペア:

[(1, 3937977), (3, 1312659), (9, 437553), (27, 145851), (61, 64557), (81, 48617), (183, 21519), (549, 7173), (797, 4941), (1647, 2391)]