28046169

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 43908480

約数和(自身を除く): 15862311

約数列:

[1, 3, 9, 27, 47, 53, 81, 139, 141, 159, 417, 423, 477, 1251, 1269, 1431, 2491, 3753, 3807, 4293, 6533, 7367, 7473, 11259, 19599, 22101, 22419, 58797, 66303, 67257, 176391, 198909, 201771, 346249, 529173, 596727, 1038747, 3116241, 9348723, 28046169]

約数ペア:

[(1, 28046169), (3, 9348723), (9, 3116241), (27, 1038747), (47, 596727), (53, 529173), (81, 346249), (139, 201771), (141, 198909), (159, 176391), (417, 67257), (423, 66303), (477, 58797), (1251, 22419), (1269, 22101), (1431, 19599), (2491, 11259), (3753, 7473), (3807, 7367), (4293, 6533)]