51372405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 103244544

約数和(自身を除く): 51872139

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1491, 2297, 2485, 3195, 4473, 6891, 7455, 11485, 16079, 20673, 22365, 34455, 48237, 80395, 103365, 144711, 163087, 241185, 489261, 723555, 815435, 1141609, 1467783, 2446305, 3424827, 5708045, 7338915, 10274481, 17124135, 51372405]

約数ペア:

[(1, 51372405), (3, 17124135), (5, 10274481), (7, 7338915), (9, 5708045), (15, 3424827), (21, 2446305), (35, 1467783), (45, 1141609), (63, 815435), (71, 723555), (105, 489261), (213, 241185), (315, 163087), (355, 144711), (497, 103365), (639, 80395), (1065, 48237), (1491, 34455), (2297, 22365), (2485, 20673), (3195, 16079), (4473, 11485), (6891, 7455)]