38430021

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 60037120

約数和(自身を除く): 21607099

約数列:

[1, 3, 7, 21, 103, 109, 163, 309, 327, 489, 721, 763, 1141, 2163, 2289, 3423, 11227, 16789, 17767, 33681, 50367, 53301, 78589, 117523, 124369, 235767, 352569, 373107, 1830001, 5490003, 12810007, 38430021]

約数ペア:

[(1, 38430021), (3, 12810007), (7, 5490003), (21, 1830001), (103, 373107), (109, 352569), (163, 235767), (309, 124369), (327, 117523), (489, 78589), (721, 53301), (763, 50367), (1141, 33681), (2163, 17767), (2289, 16789), (3423, 11227)]