221448753

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{1471}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 328373760

約数和(自身を除く): 106925007

約数列:

[1, 3, 9, 43, 129, 387, 389, 1167, 1471, 3501, 4413, 13239, 16727, 50181, 63253, 150543, 189759, 569277, 572219, 1716657, 5149971, 24605417, 73816251, 221448753]

約数ペア:

[(1, 221448753), (3, 73816251), (9, 24605417), (43, 5149971), (129, 1716657), (387, 572219), (389, 569277), (1167, 189759), (1471, 150543), (3501, 63253), (4413, 50181), (13239, 16727)]