28507203

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 42868800

約数和(自身を除く): 14361597

約数列:

[1, 3, 9, 29, 87, 239, 261, 457, 717, 1371, 2151, 4113, 6931, 13253, 20793, 39759, 62379, 109223, 119277, 327669, 983007, 3167467, 9502401, 28507203]

約数ペア:

[(1, 28507203), (3, 9502401), (9, 3167467), (29, 983007), (87, 327669), (239, 119277), (261, 109223), (457, 62379), (717, 39759), (1371, 20793), (2151, 13253), (4113, 6931)]