23320215

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 42481920

約数和(自身を除く): 19161705

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 155, 219, 229, 279, 365, 465, 657, 687, 1095, 1145, 1395, 2061, 2263, 3285, 3435, 6789, 7099, 10305, 11315, 16717, 20367, 21297, 33945, 35495, 50151, 63891, 83585, 101835, 106485, 150453, 250755, 319455, 518227, 752265, 1554681, 2591135, 4664043, 7773405, 23320215]

約数ペア:

[(1, 23320215), (3, 7773405), (5, 4664043), (9, 2591135), (15, 1554681), (31, 752265), (45, 518227), (73, 319455), (93, 250755), (155, 150453), (219, 106485), (229, 101835), (279, 83585), (365, 63891), (465, 50151), (657, 35495), (687, 33945), (1095, 21297), (1145, 20367), (1395, 16717), (2061, 11315), (2263, 10305), (3285, 7099), (3435, 6789)]