31975725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 57853440

約数和(自身を除く): 25877715

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 425, 465, 527, 775, 809, 1275, 1581, 2325, 2427, 2635, 4045, 7905, 12135, 13175, 13753, 20225, 25079, 39525, 41259, 60675, 68765, 75237, 125395, 206295, 343825, 376185, 426343, 626975, 1031475, 1279029, 1880925, 2131715, 6395145, 10658575, 31975725]

約数ペア:

[(1, 31975725), (3, 10658575), (5, 6395145), (15, 2131715), (17, 1880925), (25, 1279029), (31, 1031475), (51, 626975), (75, 426343), (85, 376185), (93, 343825), (155, 206295), (255, 125395), (425, 75237), (465, 68765), (527, 60675), (775, 41259), (809, 39525), (1275, 25079), (1581, 20225), (2325, 13753), (2427, 13175), (2635, 12135), (4045, 7905)]