206399745

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6451}}^1$

素因数の和:6547

約数の個数: 40

約数和(自身を含む): 374732160

約数和(自身を除く): 168332415

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 3555, 6399, 6451, 10665, 19353, 31995, 32255, 58059, 96765, 174177, 290295, 509629, 522531, 870885, 1528887, 2548145, 2612655, 4586661, 7644435, 13759983, 22933305, 41279949, 68799915, 206399745]

約数ペア:

[(1, 206399745), (3, 68799915), (5, 41279949), (9, 22933305), (15, 13759983), (27, 7644435), (45, 4586661), (79, 2612655), (81, 2548145), (135, 1528887), (237, 870885), (395, 522531), (405, 509629), (711, 290295), (1185, 174177), (2133, 96765), (3555, 58059), (6399, 32255), (6451, 31995), (10665, 19353)]