31381443

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 46812480

約数和(自身を除く): 15431037

約数列:

[1, 3, 9, 43, 129, 131, 387, 393, 619, 1179, 1857, 5571, 5633, 16899, 26617, 50697, 79851, 81089, 239553, 243267, 729801, 3486827, 10460481, 31381443]

約数ペア:

[(1, 31381443), (3, 10460481), (9, 3486827), (43, 729801), (129, 243267), (131, 239553), (387, 81089), (393, 79851), (619, 50697), (1179, 26617), (1857, 16899), (5571, 5633)]