28912305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 48319488

約数和(自身を除く): 19407183

約数列:

[1, 3, 5, 15, 31, 93, 97, 155, 291, 465, 485, 641, 1455, 1923, 3007, 3205, 9021, 9615, 15035, 19871, 45105, 59613, 62177, 99355, 186531, 298065, 310885, 932655, 1927487, 5782461, 9637435, 28912305]

約数ペア:

[(1, 28912305), (3, 9637435), (5, 5782461), (15, 1927487), (31, 932655), (93, 310885), (97, 298065), (155, 186531), (291, 99355), (465, 62177), (485, 59613), (641, 45105), (1455, 19871), (1923, 15035), (3007, 9615), (3205, 9021)]