1920008265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{425251}}^1$

素因数の和:425309

約数の個数: 32

約数和(自身を含む): 3592528896

約数和(自身を除く): 1672520631

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 425251, 1275753, 2126255, 2976757, 6378765, 8930271, 14883785, 18285793, 44651355, 54857379, 91428965, 128000551, 274286895, 384001653, 640002755, 1920008265]

約数ペア:

[(1, 1920008265), (3, 640002755), (5, 384001653), (7, 274286895), (15, 128000551), (21, 91428965), (35, 54857379), (43, 44651355), (105, 18285793), (129, 14883785), (215, 8930271), (301, 6378765), (645, 2976757), (903, 2126255), (1505, 1275753), (4515, 425251)]