31291277403

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{21713}}^1$

素因数の和:22059

約数の個数: 32

約数和(自身を含む): 44484168960

約数和(自身を除く): 13192891557

約数列:

[1, 3, 19, 57, 131, 193, 393, 579, 2489, 3667, 7467, 11001, 21713, 25283, 65139, 75849, 412547, 480377, 1237641, 1441131, 2844403, 4190609, 8533209, 12571827, 54043657, 79621571, 162130971, 238864713, 548969779, 1646909337, 10430425801, 31291277403]

約数ペア:

[(1, 31291277403), (3, 10430425801), (19, 1646909337), (57, 548969779), (131, 238864713), (193, 162130971), (393, 79621571), (579, 54043657), (2489, 12571827), (3667, 8533209), (7467, 4190609), (11001, 2844403), (21713, 1441131), (25283, 1237641), (65139, 480377), (75849, 412547)]