20331207

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13367}}^1$

素因数の和:13399

約数の個数: 18

約数和(自身を含む): 31802472

約数和(自身を除く): 11471265

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13367, 40101, 120303, 173771, 521313, 1563939, 2259023, 6777069, 20331207]

約数ペア:

[(1, 20331207), (3, 6777069), (9, 2259023), (13, 1563939), (39, 521313), (117, 173771), (169, 120303), (507, 40101), (1521, 13367)]