18750675

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 33078240

約数和(自身を除く): 14327565

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 145, 185, 233, 435, 555, 699, 725, 925, 1073, 1165, 2175, 2775, 3219, 3495, 5365, 5825, 6757, 8621, 16095, 17475, 20271, 25863, 26825, 33785, 43105, 80475, 101355, 129315, 168925, 215525, 250009, 506775, 646575, 750027, 1250045, 3750135, 6250225, 18750675]

約数ペア:

[(1, 18750675), (3, 6250225), (5, 3750135), (15, 1250045), (25, 750027), (29, 646575), (37, 506775), (75, 250009), (87, 215525), (111, 168925), (145, 129315), (185, 101355), (233, 80475), (435, 43105), (555, 33785), (699, 26825), (725, 25863), (925, 20271), (1073, 17475), (1165, 16095), (2175, 8621), (2775, 6757), (3219, 5825), (3495, 5365)]