17912817

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{11777}}^1$

素因数の和:11809

約数の個数: 18

約数和(自身を含む): 28019862

約数和(自身を除く): 10107045

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 11777, 35331, 105993, 153101, 459303, 1377909, 1990313, 5970939, 17912817]

約数ペア:

[(1, 17912817), (3, 5970939), (9, 1990313), (13, 1377909), (39, 459303), (117, 153101), (169, 105993), (507, 35331), (1521, 11777)]