28754385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 50474880

約数和(自身を除く): 21720495

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 229, 687, 761, 1145, 2283, 2519, 3435, 3805, 7557, 8371, 11415, 12595, 25113, 37785, 41855, 125565, 174269, 522807, 871345, 1916959, 2614035, 5750877, 9584795, 28754385]

約数ペア:

[(1, 28754385), (3, 9584795), (5, 5750877), (11, 2614035), (15, 1916959), (33, 871345), (55, 522807), (165, 174269), (229, 125565), (687, 41855), (761, 37785), (1145, 25113), (2283, 12595), (2519, 11415), (3435, 8371), (3805, 7557)]