28049013

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 41689440

約数和(自身を除く): 13640427

約数列:

[1, 3, 9, 59, 101, 177, 303, 523, 531, 909, 1569, 4707, 5959, 17877, 30857, 52823, 53631, 92571, 158469, 277713, 475407, 3116557, 9349671, 28049013]

約数ペア:

[(1, 28049013), (3, 9349671), (9, 3116557), (59, 475407), (101, 277713), (177, 158469), (303, 92571), (523, 53631), (531, 52823), (909, 30857), (1569, 17877), (4707, 5959)]