28438749

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 44282880

約数和(自身を除く): 15844131

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 279, 549, 557, 837, 1647, 1671, 1891, 5013, 5673, 15039, 17019, 17267, 33977, 51057, 51801, 101931, 155403, 305793, 466209, 917379, 1053287, 3159861, 9479583, 28438749]

約数ペア:

[(1, 28438749), (3, 9479583), (9, 3159861), (27, 1053287), (31, 917379), (61, 466209), (93, 305793), (183, 155403), (279, 101931), (549, 51801), (557, 51057), (837, 33977), (1647, 17267), (1671, 17019), (1891, 15039), (5013, 5673)]