28368981

素因数分解:

$3^3\times {\mathrm{101}}^2\times {\mathrm{103}}^1$

素因数の和:314

約数の個数: 24

約数和(自身を含む): 42860480

約数和(自身を除く): 14491499

約数列:

[1, 3, 9, 27, 101, 103, 303, 309, 909, 927, 2727, 2781, 10201, 10403, 30603, 31209, 91809, 93627, 275427, 280881, 1050703, 3152109, 9456327, 28368981]

約数ペア:

[(1, 28368981), (3, 9456327), (9, 3152109), (27, 1050703), (101, 280881), (103, 275427), (303, 93627), (309, 91809), (909, 31209), (927, 30603), (2727, 10403), (2781, 10201)]