28663341

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7541}}^1$

素因数の和:7732

約数の個数: 16

約数和(自身を含む): 43924608

約数和(自身を除く): 15261267

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 7541, 22623, 52787, 158361, 1364921, 4094763, 9554447, 28663341]

約数ペア:

[(1, 28663341), (3, 9554447), (7, 4094763), (21, 1364921), (181, 158361), (543, 52787), (1267, 22623), (3801, 7541)]