221401431

素因数分解:

$3^5\times {\mathrm{467}}^1\times {\mathrm{1951}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 332527104

約数和(自身を除く): 111125673

約数列:

[1, 3, 9, 27, 81, 243, 467, 1401, 1951, 4203, 5853, 12609, 17559, 37827, 52677, 113481, 158031, 474093, 911117, 2733351, 8200053, 24600159, 73800477, 221401431]

約数ペア:

[(1, 221401431), (3, 73800477), (9, 24600159), (27, 8200053), (81, 2733351), (243, 911117), (467, 474093), (1401, 158031), (1951, 113481), (4203, 52677), (5853, 37827), (12609, 17559)]