378049329

素因数分解:

$3^3\times 7^1\times {\mathrm{2000261}}^1$

素因数の和:2000277

約数の個数: 16

約数和(自身を含む): 640083840

約数和(自身を除く): 262034511

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2000261, 6000783, 14001827, 18002349, 42005481, 54007047, 126016443, 378049329]

約数ペア:

[(1, 378049329), (3, 126016443), (7, 54007047), (9, 42005481), (21, 18002349), (27, 14001827), (63, 6000783), (189, 2000261)]