17721873

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 27763008

約数和(自身を除く): 10041135

約数列:

[1, 3, 9, 13, 39, 117, 167, 501, 907, 1503, 2171, 2721, 6513, 8163, 11791, 19539, 35373, 106119, 151469, 454407, 1363221, 1969097, 5907291, 17721873]

約数ペア:

[(1, 17721873), (3, 5907291), (9, 1969097), (13, 1363221), (39, 454407), (117, 151469), (167, 106119), (501, 35373), (907, 19539), (1503, 11791), (2171, 8163), (2721, 6513)]