56978235

素因数分解:

$3^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{523}}^1$

素因数の和:809

約数の個数: 40

約数和(自身を含む): 102714480

約数和(自身を除く): 45736245

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 269, 405, 523, 807, 1345, 1569, 2421, 2615, 4035, 4707, 7263, 7845, 12105, 14121, 21789, 23535, 36315, 42363, 70605, 108945, 140687, 211815, 422061, 703435, 1266183, 2110305, 3798549, 6330915, 11395647, 18992745, 56978235]

約数ペア:

[(1, 56978235), (3, 18992745), (5, 11395647), (9, 6330915), (15, 3798549), (27, 2110305), (45, 1266183), (81, 703435), (135, 422061), (269, 211815), (405, 140687), (523, 108945), (807, 70605), (1345, 42363), (1569, 36315), (2421, 23535), (2615, 21789), (4035, 14121), (4707, 12105), (7263, 7845)]