207947985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6451}}^1$

素因数の和:6773

約数の個数: 32

約数和(自身を含む): 381545472

約数和(自身を除く): 173597487

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 307, 921, 1535, 2149, 4605, 6447, 6451, 10745, 19353, 32235, 32255, 45157, 96765, 135471, 225785, 677355, 1980457, 5941371, 9902285, 13863199, 29706855, 41589597, 69315995, 207947985]

約数ペア:

[(1, 207947985), (3, 69315995), (5, 41589597), (7, 29706855), (15, 13863199), (21, 9902285), (35, 5941371), (105, 1980457), (307, 677355), (921, 225785), (1535, 135471), (2149, 96765), (4605, 45157), (6447, 32255), (6451, 32235), (10745, 19353)]