28174761

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 42556800

約数和(自身を除く): 14382039

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 1549, 2021, 4647, 6063, 13941, 18189, 66607, 72803, 199821, 218409, 599463, 655227, 3130529, 9391587, 28174761]

約数ペア:

[(1, 28174761), (3, 9391587), (9, 3130529), (43, 655227), (47, 599463), (129, 218409), (141, 199821), (387, 72803), (423, 66607), (1549, 18189), (2021, 13941), (4647, 6063)]