221285369

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1447}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 237008640

約数和(自身を除く): 15723271

約数列:

[1, 23, 61, 109, 1403, 1447, 2507, 6649, 33281, 88267, 152927, 157723, 2030141, 3627629, 9621103, 221285369]

約数ペア:

[(1, 221285369), (23, 9621103), (61, 3627629), (109, 2030141), (1403, 157723), (1447, 152927), (2507, 88267), (6649, 33281)]