638996913

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{13859}}^1$

素因数の和:14021

約数の個数: 24

約数和(自身を含む): 951350400

約数和(自身を除く): 312353487

約数列:

[1, 3, 9, 47, 109, 141, 327, 423, 981, 5123, 13859, 15369, 41577, 46107, 124731, 651373, 1510631, 1954119, 4531893, 5862357, 13595679, 70999657, 212998971, 638996913]

約数ペア:

[(1, 638996913), (3, 212998971), (9, 70999657), (47, 13595679), (109, 5862357), (141, 4531893), (327, 1954119), (423, 1510631), (981, 651373), (5123, 124731), (13859, 46107), (15369, 41577)]