389328021243

素因数分解:

$3^2\times 7^1\times {\mathrm{286673}}^1\times {\mathrm{21557}}^1$

素因数の和:308243

約数の個数: 24

約数和(自身を含む): 642732281568

約数和(自身を除く): 253404260325

約数列:

[1, 3, 7, 9, 21, 63, 21557, 64671, 150899, 194013, 286673, 452697, 860019, 1358091, 2006711, 2580057, 6020133, 18060399, 6179809861, 18539429583, 43258669027, 55618288749, 129776007081, 389328021243]

約数ペア:

[(1, 389328021243), (3, 129776007081), (7, 55618288749), (9, 43258669027), (21, 18539429583), (63, 6179809861), (21557, 18060399), (64671, 6020133), (150899, 2580057), (194013, 2006711), (286673, 1358091), (452697, 860019)]