200021913

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81409}}^1$

素因数の和:81438

約数の個数: 32

約数和(自身を含む): 364716800

約数和(自身を除く): 164694887

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 81409, 244227, 569863, 732681, 1058317, 1709589, 2198043, 3174951, 5128767, 7408219, 9524853, 15386301, 22224657, 28574559, 66673971, 200021913]

約数ペア:

[(1, 200021913), (3, 66673971), (7, 28574559), (9, 22224657), (13, 15386301), (21, 9524853), (27, 7408219), (39, 5128767), (63, 3174951), (91, 2198043), (117, 1709589), (189, 1058317), (273, 732681), (351, 569863), (819, 244227), (2457, 81409)]