221344473

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{15569}}^1$

素因数の和:16256

約数の個数: 16

約数和(自身を含む): 337806720

約数和(自身を除く): 116462247

約数列:

[1, 3, 7, 21, 677, 2031, 4739, 14217, 15569, 46707, 108983, 326949, 10540213, 31620639, 73781491, 221344473]

約数ペア:

[(1, 221344473), (3, 73781491), (7, 31620639), (21, 10540213), (677, 326949), (2031, 108983), (4739, 46707), (14217, 15569)]