51656325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 99267456

約数和(自身を除く): 47611131

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 915, 1281, 1525, 1613, 2135, 4575, 4839, 6405, 8065, 10675, 11291, 24195, 32025, 33873, 40325, 56455, 98393, 120975, 169365, 282275, 295179, 491965, 688751, 846825, 1475895, 2066253, 2459825, 3443755, 7379475, 10331265, 17218775, 51656325]

約数ペア:

[(1, 51656325), (3, 17218775), (5, 10331265), (7, 7379475), (15, 3443755), (21, 2459825), (25, 2066253), (35, 1475895), (61, 846825), (75, 688751), (105, 491965), (175, 295179), (183, 282275), (305, 169365), (427, 120975), (525, 98393), (915, 56455), (1281, 40325), (1525, 33873), (1613, 32025), (2135, 24195), (4575, 11291), (4839, 10675), (6405, 8065)]