2009409987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{6133}}^1$

素因数の和:6451

約数の個数: 32

約数和(自身を含む): 2989858816

約数和(自身を除く): 980448829

約数列:

[1, 3, 13, 31, 39, 93, 271, 403, 813, 1209, 3523, 6133, 8401, 10569, 18399, 25203, 79729, 109213, 190123, 239187, 327639, 570369, 1662043, 2471599, 4986129, 7414797, 21606559, 51523333, 64819677, 154569999, 669803329, 2009409987]

約数ペア:

[(1, 2009409987), (3, 669803329), (13, 154569999), (31, 64819677), (39, 51523333), (93, 21606559), (271, 7414797), (403, 4986129), (813, 2471599), (1209, 1662043), (3523, 570369), (6133, 327639), (8401, 239187), (10569, 190123), (18399, 109213), (25203, 79729)]