221740011

素因数分解:

$3^4\times {\mathrm{1471}}^1\times {\mathrm{1861}}^1$

素因数の和:3344

約数の個数: 20

約数和(自身を含む): 331644544

約数和(自身を除く): 109904533

約数列:

[1, 3, 9, 27, 81, 1471, 1861, 4413, 5583, 13239, 16749, 39717, 50247, 119151, 150741, 2737531, 8212593, 24637779, 73913337, 221740011]

約数ペア:

[(1, 221740011), (3, 73913337), (9, 24637779), (27, 8212593), (81, 2737531), (1471, 150741), (1861, 119151), (4413, 50247), (5583, 39717), (13239, 16749)]