208077009

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{3607}}^1$

素因数の和:3725

約数の個数: 32

約数和(自身を含む): 329742336

約数和(自身を除く): 121665327

約数列:

[1, 3, 7, 21, 41, 67, 123, 201, 287, 469, 861, 1407, 2747, 3607, 8241, 10821, 19229, 25249, 57687, 75747, 147887, 241669, 443661, 725007, 1035209, 1691683, 3105627, 5075049, 9908429, 29725287, 69359003, 208077009]

約数ペア:

[(1, 208077009), (3, 69359003), (7, 29725287), (21, 9908429), (41, 5075049), (67, 3105627), (123, 1691683), (201, 1035209), (287, 725007), (469, 443661), (861, 241669), (1407, 147887), (2747, 75747), (3607, 57687), (8241, 25249), (10821, 19229)]