25909713

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{1787}}^1$

素因数の和:1978

約数の個数: 20

約数和(自身を含む): 38942640

約数和(自身を除く): 13032927

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 1787, 4833, 5361, 14499, 16083, 48249, 144747, 319873, 959619, 2878857, 8636571, 25909713]

約数ペア:

[(1, 25909713), (3, 8636571), (9, 2878857), (27, 959619), (81, 319873), (179, 144747), (537, 48249), (1611, 16083), (1787, 14499), (4833, 5361)]