51136575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 97255680

約数和(自身を除く): 46119105

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 257, 379, 525, 771, 1137, 1285, 1799, 1895, 2653, 3855, 5397, 5685, 6425, 7959, 8995, 9475, 13265, 19275, 26985, 28425, 39795, 44975, 66325, 97403, 134925, 198975, 292209, 487015, 681821, 1461045, 2045463, 2435075, 3409105, 7305225, 10227315, 17045525, 51136575]

約数ペア:

[(1, 51136575), (3, 17045525), (5, 10227315), (7, 7305225), (15, 3409105), (21, 2435075), (25, 2045463), (35, 1461045), (75, 681821), (105, 487015), (175, 292209), (257, 198975), (379, 134925), (525, 97403), (771, 66325), (1137, 44975), (1285, 39795), (1799, 28425), (1895, 26985), (2653, 19275), (3855, 13265), (5397, 9475), (5685, 8995), (6425, 7959)]