69412785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20939}}^1$

素因数の和:20977

約数の個数: 32

約数和(自身を含む): 126645120

約数和(自身を除く): 57232335

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 20939, 62817, 104695, 272207, 314085, 355963, 816621, 1067889, 1361035, 1779815, 4083105, 4627519, 5339445, 13882557, 23137595, 69412785]

約数ペア:

[(1, 69412785), (3, 23137595), (5, 13882557), (13, 5339445), (15, 4627519), (17, 4083105), (39, 1779815), (51, 1361035), (65, 1067889), (85, 816621), (195, 355963), (221, 314085), (255, 272207), (663, 104695), (1105, 62817), (3315, 20939)]