78813891

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 129540320

約数和(自身を除く): 50726429

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 117, 183, 243, 351, 409, 549, 793, 1053, 1227, 1647, 2379, 3159, 3681, 4941, 5317, 7137, 11043, 14823, 15951, 21411, 24949, 33129, 47853, 64233, 74847, 99387, 143559, 192699, 224541, 324337, 430677, 673623, 973011, 1292031, 2020869, 2919033, 6062607, 8757099, 26271297, 78813891]

約数ペア:

[(1, 78813891), (3, 26271297), (9, 8757099), (13, 6062607), (27, 2919033), (39, 2020869), (61, 1292031), (81, 973011), (117, 673623), (183, 430677), (243, 324337), (351, 224541), (409, 192699), (549, 143559), (793, 99387), (1053, 74847), (1227, 64233), (1647, 47853), (2379, 33129), (3159, 24949), (3681, 21411), (4941, 15951), (5317, 14823), (7137, 11043)]