400000089

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{61757}}^1$

素因数の和:61904

約数の個数: 16

約数和(自身を含む): 569161728

約数和(自身を除く): 169161639

約数列:

[1, 3, 17, 51, 127, 381, 2159, 6477, 61757, 185271, 1049869, 3149607, 7843139, 23529417, 133333363, 400000089]

約数ペア:

[(1, 400000089), (3, 133333363), (17, 23529417), (51, 7843139), (127, 3149607), (381, 1049869), (2159, 185271), (6477, 61757)]