28401345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90163}}^1$

素因数の和:90181

約数の個数: 24

約数和(自身を含む): 56262336

約数和(自身を除く): 27860991

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90163, 270489, 450815, 631141, 811467, 1352445, 1893423, 3155705, 4057335, 5680269, 9467115, 28401345]

約数ペア:

[(1, 28401345), (3, 9467115), (5, 5680269), (7, 4057335), (9, 3155705), (15, 1893423), (21, 1352445), (35, 811467), (45, 631141), (63, 450815), (105, 270489), (315, 90163)]