2157950079

素因数分解:

$3^7\times {\mathrm{986717}}^1$

素因数の和:986738

約数の個数: 16

約数和(自身を含む): 3236435040

約数和(自身を除く): 1078484961

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 986717, 2960151, 8880453, 26641359, 79924077, 239772231, 719316693, 2157950079]

約数ペア:

[(1, 2157950079), (3, 719316693), (9, 239772231), (27, 79924077), (81, 26641359), (243, 8880453), (729, 2960151), (2187, 986717)]