41996991

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2198

約数の個数: 16

約数和(自身を含む): 57600000

約数和(自身を除く): 15603009

約数列:

[1, 3, 47, 141, 149, 447, 1999, 5997, 7003, 21009, 93953, 281859, 297851, 893553, 13998997, 41996991]

約数ペア:

[(1, 41996991), (3, 13998997), (47, 893553), (141, 297851), (149, 281859), (447, 93953), (1999, 21009), (5997, 7003)]