4019211

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 6699264

約数和(自身を除く): 2680053

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 487, 917, 1179, 1461, 2751, 3409, 4383, 8253, 10227, 30681, 63797, 191391, 446579, 574173, 1339737, 4019211]

約数ペア:

[(1, 4019211), (3, 1339737), (7, 574173), (9, 446579), (21, 191391), (63, 63797), (131, 30681), (393, 10227), (487, 8253), (917, 4383), (1179, 3409), (1461, 2751)]