664756443

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{1877}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 1062196800

約数和(自身を除く): 397440357

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1009, 1877, 3027, 5631, 9081, 13117, 16893, 24401, 27243, 39351, 50679, 73203, 118053, 219609, 354159, 658827, 1893893, 5681679, 17045037, 24620609, 51135111, 73861827, 221585481, 664756443]

約数ペア:

[(1, 664756443), (3, 221585481), (9, 73861827), (13, 51135111), (27, 24620609), (39, 17045037), (117, 5681679), (351, 1893893), (1009, 658827), (1877, 354159), (3027, 219609), (5631, 118053), (9081, 73203), (13117, 50679), (16893, 39351), (24401, 27243)]