68872815

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2485

約数の個数: 64

約数和(自身を含む): 140659200

約数和(自身を除く): 71786385

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 855, 1045, 1485, 1881, 2441, 2565, 3135, 5643, 7323, 9405, 12205, 21969, 26851, 28215, 36615, 46379, 65907, 80553, 109845, 134255, 139137, 231895, 241659, 329535, 402765, 417411, 510169, 695685, 724977, 1208295, 1252233, 1530507, 2087055, 2550845, 3624885, 4591521, 6261165, 7652535, 13774563, 22957605, 68872815]

約数ペア:

[(1, 68872815), (3, 22957605), (5, 13774563), (9, 7652535), (11, 6261165), (15, 4591521), (19, 3624885), (27, 2550845), (33, 2087055), (45, 1530507), (55, 1252233), (57, 1208295), (95, 724977), (99, 695685), (135, 510169), (165, 417411), (171, 402765), (209, 329535), (285, 241659), (297, 231895), (495, 139137), (513, 134255), (627, 109845), (855, 80553), (1045, 65907), (1485, 46379), (1881, 36615), (2441, 28215), (2565, 26851), (3135, 21969), (5643, 12205), (7323, 9405)]