31040091

素因数分解:

$3^9\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 40

約数和(自身を含む): 49600320

約数和(自身を除く): 18560229

約数列:

[1, 3, 9, 19, 27, 57, 81, 83, 171, 243, 249, 513, 729, 747, 1539, 1577, 2187, 2241, 4617, 4731, 6561, 6723, 13851, 14193, 19683, 20169, 41553, 42579, 60507, 124659, 127737, 181521, 373977, 383211, 544563, 1149633, 1633689, 3448899, 10346697, 31040091]

約数ペア:

[(1, 31040091), (3, 10346697), (9, 3448899), (19, 1633689), (27, 1149633), (57, 544563), (81, 383211), (83, 373977), (171, 181521), (243, 127737), (249, 124659), (513, 60507), (729, 42579), (747, 41553), (1539, 20169), (1577, 19683), (2187, 14193), (2241, 13851), (4617, 6723), (4731, 6561)]