28637883

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{751}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 43796480

約数和(自身を除く): 15158597

約数列:

[1, 3, 9, 19, 57, 171, 223, 669, 751, 2007, 2253, 4237, 6759, 12711, 14269, 38133, 42807, 128421, 167473, 502419, 1507257, 3181987, 9545961, 28637883]

約数ペア:

[(1, 28637883), (3, 9545961), (9, 3181987), (19, 1507257), (57, 502419), (171, 167473), (223, 128421), (669, 42807), (751, 38133), (2007, 14269), (2253, 12711), (4237, 6759)]