39990813

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 56485632

約数和(自身を除く): 16494819

約数列:

[1, 3, 23, 69, 113, 223, 339, 529, 669, 1587, 2599, 5129, 7797, 15387, 25199, 59777, 75597, 117967, 179331, 353901, 579577, 1738731, 13330271, 39990813]

約数ペア:

[(1, 39990813), (3, 13330271), (23, 1738731), (69, 579577), (113, 353901), (223, 179331), (339, 117967), (529, 75597), (669, 59777), (1587, 25199), (2599, 15387), (5129, 7797)]