1971525

素因数分解:

$3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 3305344

約数和(自身を除く): 1333819

約数列:

[1, 3, 5, 15, 25, 75, 97, 271, 291, 485, 813, 1355, 1455, 2425, 4065, 6775, 7275, 20325, 26287, 78861, 131435, 394305, 657175, 1971525]

約数ペア:

[(1, 1971525), (3, 657175), (5, 394305), (15, 131435), (25, 78861), (75, 26287), (97, 20325), (271, 7275), (291, 6775), (485, 4065), (813, 2425), (1355, 1455)]