31487475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 24223245

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 145, 155, 435, 465, 467, 725, 775, 899, 1401, 2175, 2325, 2335, 2697, 4495, 7005, 11675, 13485, 13543, 14477, 22475, 35025, 40629, 43431, 67425, 67715, 72385, 203145, 217155, 338575, 361925, 419833, 1015725, 1085775, 1259499, 2099165, 6297495, 10495825, 31487475]

約数ペア:

[(1, 31487475), (3, 10495825), (5, 6297495), (15, 2099165), (25, 1259499), (29, 1085775), (31, 1015725), (75, 419833), (87, 361925), (93, 338575), (145, 217155), (155, 203145), (435, 72385), (465, 67715), (467, 67425), (725, 43431), (775, 40629), (899, 35025), (1401, 22475), (2175, 14477), (2325, 13543), (2335, 13485), (2697, 11675), (4495, 7005)]