66520839

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 113992704

約数和(自身を除く): 47471865

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 121, 141, 231, 329, 363, 517, 557, 847, 987, 1551, 1671, 2541, 3619, 3899, 5687, 6127, 10857, 11697, 17061, 18381, 26179, 39809, 42889, 67397, 78537, 119427, 128667, 183253, 202191, 287969, 471779, 549759, 863907, 1415337, 2015783, 3167659, 6047349, 9502977, 22173613, 66520839]

約数ペア:

[(1, 66520839), (3, 22173613), (7, 9502977), (11, 6047349), (21, 3167659), (33, 2015783), (47, 1415337), (77, 863907), (121, 549759), (141, 471779), (231, 287969), (329, 202191), (363, 183253), (517, 128667), (557, 119427), (847, 78537), (987, 67397), (1551, 42889), (1671, 39809), (2541, 26179), (3619, 18381), (3899, 17061), (5687, 11697), (6127, 10857)]