18399381

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 33247872

約数和(自身を除く): 14848491

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 121, 143, 231, 273, 363, 429, 557, 847, 1001, 1573, 1671, 2541, 3003, 3899, 4719, 6127, 7241, 11011, 11697, 18381, 21723, 33033, 42889, 50687, 67397, 79651, 128667, 152061, 202191, 238953, 471779, 557557, 876161, 1415337, 1672671, 2628483, 6133127, 18399381]

約数ペア:

[(1, 18399381), (3, 6133127), (7, 2628483), (11, 1672671), (13, 1415337), (21, 876161), (33, 557557), (39, 471779), (77, 238953), (91, 202191), (121, 152061), (143, 128667), (231, 79651), (273, 67397), (363, 50687), (429, 42889), (557, 33033), (847, 21723), (1001, 18381), (1573, 11697), (1671, 11011), (2541, 7241), (3003, 6127), (3899, 4719)]