31393845

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 33118155

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 139, 189, 239, 315, 417, 695, 717, 945, 973, 1195, 1251, 1673, 2085, 2151, 2919, 3585, 3753, 4865, 5019, 6255, 6453, 8365, 8757, 10755, 14595, 15057, 18765, 25095, 26271, 32265, 33221, 43785, 45171, 75285, 99663, 131355, 166105, 225855, 232547, 298989, 498315, 697641, 896967, 1162735, 1494945, 2092923, 3488205, 4484835, 6278769, 10464615, 31393845]

約数ペア:

[(1, 31393845), (3, 10464615), (5, 6278769), (7, 4484835), (9, 3488205), (15, 2092923), (21, 1494945), (27, 1162735), (35, 896967), (45, 697641), (63, 498315), (105, 298989), (135, 232547), (139, 225855), (189, 166105), (239, 131355), (315, 99663), (417, 75285), (695, 45171), (717, 43785), (945, 33221), (973, 32265), (1195, 26271), (1251, 25095), (1673, 18765), (2085, 15057), (2151, 14595), (2919, 10755), (3585, 8757), (3753, 8365), (4865, 6453), (5019, 6255)]