2689905621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{1831}}^1$

素因数の和:2257

約数の個数: 32

約数和(自身を含む): 3906703360

約数和(自身を除く): 1216797739

約数列:

[1, 3, 13, 39, 139, 271, 417, 813, 1807, 1831, 3523, 5421, 5493, 10569, 23803, 37669, 71409, 113007, 254509, 489697, 496201, 763527, 1469091, 1488603, 3308617, 6450613, 9925851, 19351839, 68971939, 206915817, 896635207, 2689905621]

約数ペア:

[(1, 2689905621), (3, 896635207), (13, 206915817), (39, 68971939), (139, 19351839), (271, 9925851), (417, 6450613), (813, 3308617), (1807, 1488603), (1831, 1469091), (3523, 763527), (5421, 496201), (5493, 489697), (10569, 254509), (23803, 113007), (37669, 71409)]