989740563

素因数分解:

$3^1\times 7^3\times {\mathrm{961847}}^1$

素因数の和:961871

約数の個数: 16

約数和(自身を含む): 1538956800

約数和(自身を除く): 549216237

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 961847, 2885541, 6732929, 20198787, 47130503, 141391509, 329913521, 989740563]

約数ペア:

[(1, 989740563), (3, 329913521), (7, 141391509), (21, 47130503), (49, 20198787), (147, 6732929), (343, 2885541), (1029, 961847)]