289201857

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{3709}}^1$

素因数の和:3845

約数の個数: 32

約数和(自身を含む): 455884800

約数和(自身を除く): 166682943

約数列:

[1, 3, 7, 21, 47, 79, 141, 237, 329, 553, 987, 1659, 3709, 3713, 11127, 11139, 25963, 25991, 77889, 77973, 174323, 293011, 522969, 879033, 1220261, 2051077, 3660783, 6153231, 13771517, 41314551, 96400619, 289201857]

約数ペア:

[(1, 289201857), (3, 96400619), (7, 41314551), (21, 13771517), (47, 6153231), (79, 3660783), (141, 2051077), (237, 1220261), (329, 879033), (553, 522969), (987, 293011), (1659, 174323), (3709, 77973), (3713, 77889), (11127, 25991), (11139, 25963)]