2221779

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 3407360

約数和(自身を除く): 1185581

約数列:

[1, 3, 7, 21, 241, 439, 723, 1317, 1687, 3073, 5061, 9219, 105799, 317397, 740593, 2221779]

約数ペア:

[(1, 2221779), (3, 740593), (7, 317397), (21, 105799), (241, 9219), (439, 5061), (723, 3073), (1317, 1687)]