31206975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 54758400

約数和(自身を除く): 23551425

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 79, 115, 229, 237, 345, 395, 575, 687, 1145, 1185, 1725, 1817, 1975, 3435, 5267, 5451, 5725, 5925, 9085, 15801, 17175, 18091, 26335, 27255, 45425, 54273, 79005, 90455, 131675, 136275, 271365, 395025, 416093, 452275, 1248279, 1356825, 2080465, 6241395, 10402325, 31206975]

約数ペア:

[(1, 31206975), (3, 10402325), (5, 6241395), (15, 2080465), (23, 1356825), (25, 1248279), (69, 452275), (75, 416093), (79, 395025), (115, 271365), (229, 136275), (237, 131675), (345, 90455), (395, 79005), (575, 54273), (687, 45425), (1145, 27255), (1185, 26335), (1725, 18091), (1817, 17175), (1975, 15801), (3435, 9085), (5267, 5925), (5451, 5725)]