667307529

素因数分解:

$3^2\times 7^4\times {\mathrm{30881}}^1$

素因数の和:30915

約数の個数: 30

約数和(自身を含む): 1124506266

約数和(自身を除く): 457198737

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 21609, 30881, 92643, 216167, 277929, 648501, 1513169, 1945503, 4539507, 10592183, 13618521, 31776549, 74145281, 95329647, 222435843, 667307529]

約数ペア:

[(1, 667307529), (3, 222435843), (7, 95329647), (9, 74145281), (21, 31776549), (49, 13618521), (63, 10592183), (147, 4539507), (343, 1945503), (441, 1513169), (1029, 648501), (2401, 277929), (3087, 216167), (7203, 92643), (21609, 30881)]