23257785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 16417095

約数列:

[1, 3, 5, 15, 17, 51, 85, 223, 255, 409, 669, 1115, 1227, 2045, 3345, 3791, 6135, 6953, 11373, 18955, 20859, 34765, 56865, 91207, 104295, 273621, 456035, 1368105, 1550519, 4651557, 7752595, 23257785]

約数ペア:

[(1, 23257785), (3, 7752595), (5, 4651557), (15, 1550519), (17, 1368105), (51, 456035), (85, 273621), (223, 104295), (255, 91207), (409, 56865), (669, 34765), (1115, 20859), (1227, 18955), (2045, 11373), (3345, 6953), (3791, 6135)]