215569107

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{204719}}^1$

素因数の和:204744

約数の個数: 20

約数和(自身を含む): 346795680

約数和(自身を除く): 131226573

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 204719, 614157, 1842471, 2661347, 5527413, 7984041, 16582239, 23952123, 71856369, 215569107]

約数ペア:

[(1, 215569107), (3, 71856369), (9, 23952123), (13, 16582239), (27, 7984041), (39, 5527413), (81, 2661347), (117, 1842471), (351, 614157), (1053, 204719)]