420873885

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{29881}}^1$

素因数の和:30205

約数の個数: 24

約数和(自身を含む): 731869944

約数和(自身を除く): 310996059

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1565, 2817, 4695, 14085, 29881, 89643, 149405, 268929, 448215, 1344645, 9352753, 28058259, 46763765, 84174777, 140291295, 420873885]

約数ペア:

[(1, 420873885), (3, 140291295), (5, 84174777), (9, 46763765), (15, 28058259), (45, 9352753), (313, 1344645), (939, 448215), (1565, 268929), (2817, 149405), (4695, 89643), (14085, 29881)]