28642425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 54817920

約数和(自身を除く): 26175495

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 89, 105, 175, 267, 445, 525, 613, 623, 1335, 1839, 1869, 2225, 3065, 3115, 4291, 6675, 9195, 9345, 12873, 15325, 15575, 21455, 45975, 46725, 54557, 64365, 107275, 163671, 272785, 321825, 381899, 818355, 1145697, 1363925, 1909495, 4091775, 5728485, 9547475, 28642425]

約数ペア:

[(1, 28642425), (3, 9547475), (5, 5728485), (7, 4091775), (15, 1909495), (21, 1363925), (25, 1145697), (35, 818355), (75, 381899), (89, 321825), (105, 272785), (175, 163671), (267, 107275), (445, 64365), (525, 54557), (613, 46725), (623, 45975), (1335, 21455), (1839, 15575), (1869, 15325), (2225, 12873), (3065, 9345), (3115, 9195), (4291, 6675)]