28876005

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14923}}^1$

素因数の和:14977

約数の個数: 24

約数和(自身を含む): 51219168

約数和(自身を除く): 22343163

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14923, 44769, 74615, 134307, 223845, 641689, 671535, 1925067, 3208445, 5775201, 9625335, 28876005]

約数ペア:

[(1, 28876005), (3, 9625335), (5, 5775201), (9, 3208445), (15, 1925067), (43, 671535), (45, 641689), (129, 223845), (215, 134307), (387, 74615), (645, 44769), (1935, 14923)]