61490775

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19997}}^1$

素因数の和:20051

約数の個数: 24

約数和(自身を含む): 104149584

約数和(自身を除く): 42658809

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 19997, 59991, 99985, 299955, 499925, 819877, 1499775, 2459631, 4099385, 12298155, 20496925, 61490775]

約数ペア:

[(1, 61490775), (3, 20496925), (5, 12298155), (15, 4099385), (25, 2459631), (41, 1499775), (75, 819877), (123, 499925), (205, 299955), (615, 99985), (1025, 59991), (3075, 19997)]