31657125

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 24952155

約数列:

[1, 3, 5, 15, 25, 29, 41, 71, 75, 87, 123, 125, 145, 205, 213, 355, 375, 435, 615, 725, 1025, 1065, 1189, 1775, 2059, 2175, 2911, 3075, 3567, 3625, 5125, 5325, 5945, 6177, 8733, 8875, 10295, 10875, 14555, 15375, 17835, 26625, 29725, 30885, 43665, 51475, 72775, 84419, 89175, 148625, 154425, 218325, 253257, 257375, 363875, 422095, 445875, 772125, 1091625, 1266285, 2110475, 6331425, 10552375, 31657125]

約数ペア:

[(1, 31657125), (3, 10552375), (5, 6331425), (15, 2110475), (25, 1266285), (29, 1091625), (41, 772125), (71, 445875), (75, 422095), (87, 363875), (123, 257375), (125, 253257), (145, 218325), (205, 154425), (213, 148625), (355, 89175), (375, 84419), (435, 72775), (615, 51475), (725, 43665), (1025, 30885), (1065, 29725), (1189, 26625), (1775, 17835), (2059, 15375), (2175, 14555), (2911, 10875), (3075, 10295), (3567, 8875), (3625, 8733), (5125, 6177), (5325, 5945)]