215804953

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 283046400

約数和(自身を除く): 67241447

約数列:

[1, 7, 13, 17, 91, 119, 199, 221, 701, 1393, 1547, 2587, 3383, 4907, 9113, 11917, 18109, 23681, 43979, 63791, 83419, 139499, 154921, 307853, 976493, 1084447, 1813487, 2371483, 12694409, 16600381, 30829279, 215804953]

約数ペア:

[(1, 215804953), (7, 30829279), (13, 16600381), (17, 12694409), (91, 2371483), (119, 1813487), (199, 1084447), (221, 976493), (701, 307853), (1393, 154921), (1547, 139499), (2587, 83419), (3383, 63791), (4907, 43979), (9113, 23681), (11917, 18109)]