7217145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 13737360

約数和(自身を除く): 6520215

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 73, 117, 169, 195, 219, 365, 507, 585, 657, 845, 949, 1095, 1521, 2197, 2535, 2847, 3285, 4745, 6591, 7605, 8541, 10985, 12337, 14235, 19773, 32955, 37011, 42705, 61685, 98865, 111033, 160381, 185055, 481143, 555165, 801905, 1443429, 2405715, 7217145]

約数ペア:

[(1, 7217145), (3, 2405715), (5, 1443429), (9, 801905), (13, 555165), (15, 481143), (39, 185055), (45, 160381), (65, 111033), (73, 98865), (117, 61685), (169, 42705), (195, 37011), (219, 32955), (365, 19773), (507, 14235), (585, 12337), (657, 10985), (845, 8541), (949, 7605), (1095, 6591), (1521, 4745), (2197, 3285), (2535, 2847)]