209973075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6947}}^1$

素因数の和:7004

約数の個数: 48

約数和(自身を含む): 385975296

約数和(自身を除く): 176002221

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 6045, 6947, 10075, 20841, 30225, 34735, 90311, 104205, 173675, 215357, 270933, 451555, 521025, 646071, 1076785, 1354665, 2257775, 2799641, 3230355, 5383925, 6773325, 8398923, 13998205, 16151775, 41994615, 69991025, 209973075]

約数ペア:

[(1, 209973075), (3, 69991025), (5, 41994615), (13, 16151775), (15, 13998205), (25, 8398923), (31, 6773325), (39, 5383925), (65, 3230355), (75, 2799641), (93, 2257775), (155, 1354665), (195, 1076785), (325, 646071), (403, 521025), (465, 451555), (775, 270933), (975, 215357), (1209, 173675), (2015, 104205), (2325, 90311), (6045, 34735), (6947, 30225), (10075, 20841)]