2931825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 5444096

約数和(自身を除く): 2512271

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 97, 155, 195, 291, 325, 403, 465, 485, 775, 975, 1209, 1261, 1455, 2015, 2325, 2425, 3007, 3783, 6045, 6305, 7275, 9021, 10075, 15035, 18915, 30225, 31525, 39091, 45105, 75175, 94575, 117273, 195455, 225525, 586365, 977275, 2931825]

約数ペア:

[(1, 2931825), (3, 977275), (5, 586365), (13, 225525), (15, 195455), (25, 117273), (31, 94575), (39, 75175), (65, 45105), (75, 39091), (93, 31525), (97, 30225), (155, 18915), (195, 15035), (291, 10075), (325, 9021), (403, 7275), (465, 6305), (485, 6045), (775, 3783), (975, 3007), (1209, 2425), (1261, 2325), (1455, 2015)]