375684399

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{18047}}^1$

素因数の和:18316

約数の個数: 20

約数和(自身を含む): 563422464

約数和(自身を除く): 187738065

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 18047, 20817, 54141, 162423, 487269, 1461807, 4638079, 13914237, 41742711, 125228133, 375684399]

約数ペア:

[(1, 375684399), (3, 125228133), (9, 41742711), (27, 13914237), (81, 4638079), (257, 1461807), (771, 487269), (2313, 162423), (6939, 54141), (18047, 20817)]