39951279

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 60948480

約数和(自身を除く): 20997201

約数列:

[1, 3, 9, 27, 61, 127, 183, 191, 381, 549, 573, 1143, 1647, 1719, 3429, 5157, 7747, 11651, 23241, 24257, 34953, 69723, 72771, 104859, 209169, 218313, 314577, 654939, 1479677, 4439031, 13317093, 39951279]

約数ペア:

[(1, 39951279), (3, 13317093), (9, 4439031), (27, 1479677), (61, 654939), (127, 314577), (183, 218313), (191, 209169), (381, 104859), (549, 72771), (573, 69723), (1143, 34953), (1647, 24257), (1719, 23241), (3429, 11651), (5157, 7747)]