213538501

素因数分解:

${\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 241315200

約数和(自身を除く): 27776699

約数列:

[1, 11, 79, 89, 121, 251, 869, 979, 2761, 7031, 9559, 10769, 19829, 22339, 30371, 77341, 218119, 245729, 850751, 1764781, 2399309, 2703019, 19412591, 213538501]

約数ペア:

[(1, 213538501), (11, 19412591), (79, 2703019), (89, 2399309), (121, 1764781), (251, 850751), (869, 245729), (979, 218119), (2761, 77341), (7031, 30371), (9559, 22339), (10769, 19829)]