8420775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 15534720

約数和(自身を除く): 7113945

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 59, 75, 165, 173, 177, 275, 295, 519, 649, 825, 865, 885, 1475, 1903, 1947, 2595, 3245, 4325, 4425, 5709, 9515, 9735, 10207, 12975, 16225, 28545, 30621, 47575, 48675, 51035, 112277, 142725, 153105, 255175, 336831, 561385, 765525, 1684155, 2806925, 8420775]

約数ペア:

[(1, 8420775), (3, 2806925), (5, 1684155), (11, 765525), (15, 561385), (25, 336831), (33, 255175), (55, 153105), (59, 142725), (75, 112277), (165, 51035), (173, 48675), (177, 47575), (275, 30621), (295, 28545), (519, 16225), (649, 12975), (825, 10207), (865, 9735), (885, 9515), (1475, 5709), (1903, 4425), (1947, 4325), (2595, 3245)]