31868775

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 60472320

約数和(自身を除く): 28603545

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 1395, 1523, 2325, 4185, 4569, 6975, 7615, 13707, 20925, 22845, 38075, 41121, 47213, 68535, 114225, 141639, 205605, 236065, 342675, 424917, 708195, 1028025, 1180325, 1274751, 2124585, 3540975, 6373755, 10622925, 31868775]

約数ペア:

[(1, 31868775), (3, 10622925), (5, 6373755), (9, 3540975), (15, 2124585), (25, 1274751), (27, 1180325), (31, 1028025), (45, 708195), (75, 424917), (93, 342675), (135, 236065), (155, 205605), (225, 141639), (279, 114225), (465, 68535), (675, 47213), (775, 41121), (837, 38075), (1395, 22845), (1523, 20925), (2325, 13707), (4185, 7615), (4569, 6975)]