31555839

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 50872320

約数和(自身を除く): 19316481

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 827, 1659, 1817, 2481, 5451, 5789, 12719, 17367, 19021, 38157, 57063, 65333, 133147, 195999, 399441, 457331, 1371993, 1502659, 4507977, 10518613, 31555839]

約数ペア:

[(1, 31555839), (3, 10518613), (7, 4507977), (21, 1502659), (23, 1371993), (69, 457331), (79, 399441), (161, 195999), (237, 133147), (483, 65333), (553, 57063), (827, 38157), (1659, 19021), (1817, 17367), (2481, 12719), (5451, 5789)]