9979425

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2609}}^1$

素因数の和:2642

約数の個数: 36

約数和(自身を含む): 18932940

約数和(自身を除く): 8953515

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 2609, 3825, 7827, 13045, 23481, 39135, 44353, 65225, 117405, 133059, 195675, 221765, 399177, 587025, 665295, 1108825, 1995885, 3326475, 9979425]

約数ペア:

[(1, 9979425), (3, 3326475), (5, 1995885), (9, 1108825), (15, 665295), (17, 587025), (25, 399177), (45, 221765), (51, 195675), (75, 133059), (85, 117405), (153, 65225), (225, 44353), (255, 39135), (425, 23481), (765, 13045), (1275, 7827), (2609, 3825)]