42666507

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{40519}}^1$

素因数の和:40544

約数の個数: 20

約数和(自身を含む): 68640880

約数和(自身を除く): 25974373

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 40519, 121557, 364671, 526747, 1094013, 1580241, 3282039, 4740723, 14222169, 42666507]

約数ペア:

[(1, 42666507), (3, 14222169), (9, 4740723), (13, 3282039), (27, 1580241), (39, 1094013), (81, 526747), (117, 364671), (351, 121557), (1053, 40519)]