72487779

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15619}}^1$

素因数の和:15659

約数の個数: 32

約数和(自身を含む): 125959680

約数和(自身を除く): 53471901

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 15619, 46857, 109333, 203047, 265523, 327999, 609141, 796569, 1421329, 1858661, 3451799, 4263987, 5575983, 10355397, 24162593, 72487779]

約数ペア:

[(1, 72487779), (3, 24162593), (7, 10355397), (13, 5575983), (17, 4263987), (21, 3451799), (39, 1858661), (51, 1421329), (91, 796569), (119, 609141), (221, 327999), (273, 265523), (357, 203047), (663, 109333), (1547, 46857), (4641, 15619)]