201788478

素因数分解:

$2^1\times 3^2\times {\mathrm{11210471}}^1$

素因数の和:11210479

約数の個数: 12

約数和(自身を含む): 437208408

約数和(自身を除く): 235419930

約数列:

[1, 2, 3, 6, 9, 18, 11210471, 22420942, 33631413, 67262826, 100894239, 201788478]

約数ペア:

[(1, 201788478), (2, 100894239), (3, 67262826), (6, 33631413), (9, 22420942), (18, 11210471)]