39917409

素因数分解:

$3^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{709}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 62161920

約数和(自身を除く): 22244511

約数列:

[1, 3, 7, 21, 49, 147, 383, 709, 1149, 2127, 2681, 4963, 8043, 14889, 18767, 34741, 56301, 104223, 271547, 814641, 1900829, 5702487, 13305803, 39917409]

約数ペア:

[(1, 39917409), (3, 13305803), (7, 5702487), (21, 1900829), (49, 814641), (147, 271547), (383, 104223), (709, 56301), (1149, 34741), (2127, 18767), (2681, 14889), (4963, 8043)]