31298475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 56996352

約数和(自身を除く): 25697877

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 683, 705, 975, 1175, 1833, 2049, 3055, 3415, 3525, 8879, 9165, 10245, 15275, 17075, 26637, 32101, 44395, 45825, 51225, 96303, 133185, 160505, 221975, 417313, 481515, 665925, 802525, 1251939, 2086565, 2407575, 6259695, 10432825, 31298475]

約数ペア:

[(1, 31298475), (3, 10432825), (5, 6259695), (13, 2407575), (15, 2086565), (25, 1251939), (39, 802525), (47, 665925), (65, 481515), (75, 417313), (141, 221975), (195, 160505), (235, 133185), (325, 96303), (611, 51225), (683, 45825), (705, 44395), (975, 32101), (1175, 26637), (1833, 17075), (2049, 15275), (3055, 10245), (3415, 9165), (3525, 8879)]