142890399

素因数分解:

$3^4\times {\mathrm{523}}^1\times {\mathrm{3373}}^1$

素因数の和:3908

約数の個数: 20

約数和(自身を含む): 213925096

約数和(自身を除く): 71034697

約数列:

[1, 3, 9, 27, 81, 523, 1569, 3373, 4707, 10119, 14121, 30357, 42363, 91071, 273213, 1764079, 5292237, 15876711, 47630133, 142890399]

約数ペア:

[(1, 142890399), (3, 47630133), (9, 15876711), (27, 5292237), (81, 1764079), (523, 273213), (1569, 91071), (3373, 42363), (4707, 30357), (10119, 14121)]