291260457

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 448081920

約数和(自身を除く): 156821463

約数列:

[1, 3, 9, 43, 47, 67, 129, 141, 201, 239, 387, 423, 603, 717, 2021, 2151, 2881, 3149, 6063, 8643, 9447, 10277, 11233, 16013, 18189, 25929, 28341, 30831, 33699, 48039, 92493, 101097, 135407, 144117, 406221, 483019, 688559, 752611, 1218663, 1449057, 2065677, 2257833, 4347171, 6197031, 6773499, 32362273, 97086819, 291260457]

約数ペア:

[(1, 291260457), (3, 97086819), (9, 32362273), (43, 6773499), (47, 6197031), (67, 4347171), (129, 2257833), (141, 2065677), (201, 1449057), (239, 1218663), (387, 752611), (423, 688559), (603, 483019), (717, 406221), (2021, 144117), (2151, 135407), (2881, 101097), (3149, 92493), (6063, 48039), (8643, 33699), (9447, 30831), (10277, 28341), (11233, 25929), (16013, 18189)]