289268739

素因数分解:

$3^4\times {\mathrm{1237}}^1\times {\mathrm{2887}}^1$

素因数の和:4136

約数の個数: 20

約数和(自身を含む): 432616624

約数和(自身を除く): 143347885

約数列:

[1, 3, 9, 27, 81, 1237, 2887, 3711, 8661, 11133, 25983, 33399, 77949, 100197, 233847, 3571219, 10713657, 32140971, 96422913, 289268739]

約数ペア:

[(1, 289268739), (3, 96422913), (9, 32140971), (27, 10713657), (81, 3571219), (1237, 233847), (2887, 100197), (3711, 77949), (8661, 33399), (11133, 25983)]