39989943

素因数分解:

$3^4\times 7^1\times {\mathrm{70529}}^1$

素因数の和:70548

約数の個数: 20

約数和(自身を含む): 68273040

約数和(自身を除く): 28283097

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 70529, 211587, 493703, 634761, 1481109, 1904283, 4443327, 5712849, 13329981, 39989943]

約数ペア:

[(1, 39989943), (3, 13329981), (7, 5712849), (9, 4443327), (21, 1904283), (27, 1481109), (63, 634761), (81, 493703), (189, 211587), (567, 70529)]