28211547

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4493}}^1$

素因数の和:4539

約数の個数: 32

約数和(自身を含む): 48319488

約数和(自身を除く): 20107941

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 4493, 6279, 13479, 31451, 58409, 94353, 103339, 175227, 310017, 408863, 723373, 1226589, 1343407, 2170119, 4030221, 9403849, 28211547]

約数ペア:

[(1, 28211547), (3, 9403849), (7, 4030221), (13, 2170119), (21, 1343407), (23, 1226589), (39, 723373), (69, 408863), (91, 310017), (161, 175227), (273, 103339), (299, 94353), (483, 58409), (897, 31451), (2093, 13479), (4493, 6279)]