51161625

素因数分解:

$3^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 99061248

約数和(自身を除く): 47899623

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 125, 135, 155, 163, 225, 279, 375, 405, 465, 489, 675, 775, 815, 837, 1125, 1395, 1467, 2025, 2325, 2445, 2511, 3375, 3875, 4075, 4185, 4401, 5053, 6975, 7335, 10125, 11625, 12225, 12555, 13203, 15159, 20375, 20925, 22005, 25265, 34875, 36675, 45477, 61125, 62775, 66015, 75795, 104625, 110025, 126325, 136431, 183375, 227385, 313875, 330075, 378975, 409293, 550125, 631625, 682155, 1136925, 1650375, 1894875, 2046465, 3410775, 5684625, 10232325, 17053875, 51161625]

約数ペア:

[(1, 51161625), (3, 17053875), (5, 10232325), (9, 5684625), (15, 3410775), (25, 2046465), (27, 1894875), (31, 1650375), (45, 1136925), (75, 682155), (81, 631625), (93, 550125), (125, 409293), (135, 378975), (155, 330075), (163, 313875), (225, 227385), (279, 183375), (375, 136431), (405, 126325), (465, 110025), (489, 104625), (675, 75795), (775, 66015), (815, 62775), (837, 61125), (1125, 45477), (1395, 36675), (1467, 34875), (2025, 25265), (2325, 22005), (2445, 20925), (2511, 20375), (3375, 15159), (3875, 13203), (4075, 12555), (4185, 12225), (4401, 11625), (5053, 10125), (6975, 7335)]