221195718

素因数分解:

$2^1\times 3^3\times {\mathrm{661}}^1\times {\mathrm{6197}}^1$

素因数の和:6869

約数の個数: 32

約数和(自身を含む): 492369120

約数和(自身を除く): 271173402

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 661, 1322, 1983, 3966, 5949, 6197, 11898, 12394, 17847, 18591, 35694, 37182, 55773, 111546, 167319, 334638, 4096217, 8192434, 12288651, 24577302, 36865953, 73731906, 110597859, 221195718]

約数ペア:

[(1, 221195718), (2, 110597859), (3, 73731906), (6, 36865953), (9, 24577302), (18, 12288651), (27, 8192434), (54, 4096217), (661, 334638), (1322, 167319), (1983, 111546), (3966, 55773), (5949, 37182), (6197, 35694), (11898, 18591), (12394, 17847)]