16165725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 29283840

約数和(自身を除く): 13118115

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 409, 425, 465, 527, 775, 1227, 1275, 1581, 2045, 2325, 2635, 6135, 6953, 7905, 10225, 12679, 13175, 20859, 30675, 34765, 38037, 39525, 63395, 104295, 173825, 190185, 215543, 316975, 521475, 646629, 950925, 1077715, 3233145, 5388575, 16165725]

約数ペア:

[(1, 16165725), (3, 5388575), (5, 3233145), (15, 1077715), (17, 950925), (25, 646629), (31, 521475), (51, 316975), (75, 215543), (85, 190185), (93, 173825), (155, 104295), (255, 63395), (409, 39525), (425, 38037), (465, 34765), (527, 30675), (775, 20859), (1227, 13175), (1275, 12679), (1581, 10225), (2045, 7905), (2325, 6953), (2635, 6135)]