25489071

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 37773216

約数和(自身を除く): 12284145

約数列:

[1, 3, 9, 71, 113, 213, 339, 353, 639, 1017, 1059, 3177, 8023, 24069, 25063, 39889, 72207, 75189, 119667, 225567, 359001, 2832119, 8496357, 25489071]

約数ペア:

[(1, 25489071), (3, 8496357), (9, 2832119), (71, 359001), (113, 225567), (213, 119667), (339, 75189), (353, 72207), (639, 39889), (1017, 25063), (1059, 24069), (3177, 8023)]