28931331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1$

素因数の和:4011

約数の個数: 32

約数和(自身を含む): 47996928

約数和(自身を除く): 19065597

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 3967, 7293, 11901, 43637, 51571, 67439, 130911, 154713, 202317, 567281, 741829, 876707, 1701843, 2225487, 2630121, 9643777, 28931331]

約数ペア:

[(1, 28931331), (3, 9643777), (11, 2630121), (13, 2225487), (17, 1701843), (33, 876707), (39, 741829), (51, 567281), (143, 202317), (187, 154713), (221, 130911), (429, 67439), (561, 51571), (663, 43637), (2431, 11901), (3967, 7293)]