1945408023

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{26021}}^1$

素因数の和:26117

約数の個数: 40

約数和(自身を含む): 3173851296

約数和(自身を除く): 1228443273

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 639, 923, 1053, 1917, 2769, 5751, 8307, 24921, 26021, 74763, 78063, 234189, 338273, 702567, 1014819, 1847491, 2107701, 3044457, 5542473, 9133371, 16627419, 24017383, 27400113, 49882257, 72052149, 149646771, 216156447, 648469341, 1945408023]

約数ペア:

[(1, 1945408023), (3, 648469341), (9, 216156447), (13, 149646771), (27, 72052149), (39, 49882257), (71, 27400113), (81, 24017383), (117, 16627419), (213, 9133371), (351, 5542473), (639, 3044457), (923, 2107701), (1053, 1847491), (1917, 1014819), (2769, 702567), (5751, 338273), (8307, 234189), (24921, 78063), (26021, 74763)]