18160575

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 31712256

約数和(自身を除く): 13551681

約数列:

[1, 3, 5, 15, 25, 31, 73, 75, 93, 107, 155, 219, 321, 365, 465, 535, 775, 1095, 1605, 1825, 2263, 2325, 2675, 3317, 5475, 6789, 7811, 8025, 9951, 11315, 16585, 23433, 33945, 39055, 49755, 56575, 82925, 117165, 169725, 195275, 242141, 248775, 585825, 726423, 1210705, 3632115, 6053525, 18160575]

約数ペア:

[(1, 18160575), (3, 6053525), (5, 3632115), (15, 1210705), (25, 726423), (31, 585825), (73, 248775), (75, 242141), (93, 195275), (107, 169725), (155, 117165), (219, 82925), (321, 56575), (365, 49755), (465, 39055), (535, 33945), (775, 23433), (1095, 16585), (1605, 11315), (1825, 9951), (2263, 8025), (2325, 7811), (2675, 6789), (3317, 5475)]