13881213

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{7451}}^1$

素因数の和:7486

約数の個数: 20

約数和(自身を含む): 21640608

約数和(自身を除く): 7759395

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 7451, 22353, 67059, 171373, 201177, 514119, 603531, 1542357, 4627071, 13881213]

約数ペア:

[(1, 13881213), (3, 4627071), (9, 1542357), (23, 603531), (27, 514119), (69, 201177), (81, 171373), (207, 67059), (621, 22353), (1863, 7451)]