289577025

素因数分解:

$3^6\times 5^2\times {\mathrm{15889}}^1$

素因数の和:15917

約数の個数: 42

約数和(自身を含む): 538400870

約数和(自身を除く): 248823845

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 15889, 18225, 47667, 79445, 143001, 238335, 397225, 429003, 715005, 1191675, 1287009, 2145015, 3575025, 3861027, 6435045, 10725075, 11583081, 19305135, 32175225, 57915405, 96525675, 289577025]

約数ペア:

[(1, 289577025), (3, 96525675), (5, 57915405), (9, 32175225), (15, 19305135), (25, 11583081), (27, 10725075), (45, 6435045), (75, 3861027), (81, 3575025), (135, 2145015), (225, 1287009), (243, 1191675), (405, 715005), (675, 429003), (729, 397225), (1215, 238335), (2025, 143001), (3645, 79445), (6075, 47667), (15889, 18225)]