81657486.000000000

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113357}}^1$

素因数の和:113381

約数の個数: 48

約数和(自身を含む): 318309264

約数和(自身を除く): 206085834

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 113357, 226714, 340071, 566785, 680142, 1020213, 1133570, 1246927, 1700355, 2040426, 2493854, 3400710, 3740781, 5101065, 6234635, 7481562, 10202130, 11222343, 12469270, 18703905, 22444686, 37407810, 56111715, 112223430]

約数ペア:

[(1, 112223430), (2, 56111715), (3, 37407810), (5, 22444686), (6, 18703905), (9, 12469270), (10, 11222343), (11, 10202130), (15, 7481562), (18, 6234635), (22, 5101065), (30, 3740781), (33, 3400710), (45, 2493854), (55, 2040426), (66, 1700355), (90, 1246927), (99, 1133570), (110, 1020213), (165, 680142), (198, 566785), (330, 340071), (495, 226714), (990, 113357)]