211955967

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{45377}}^1$

素因数の和:45559

約数の個数: 16

約数和(自身を含む): 315830880

約数和(自身を除く): 103874913

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 45377, 136131, 408393, 1225179, 7850221, 23550663, 70651989, 211955967]

約数ペア:

[(1, 211955967), (3, 70651989), (9, 23550663), (27, 7850221), (173, 1225179), (519, 408393), (1557, 136131), (4671, 45377)]