1640282721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7100791}}^1$

素因数の和:7100812

約数の個数: 16

約数和(自身を含む): 2726704128

約数和(自身を除く): 1086421407

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 7100791, 21302373, 49705537, 78108701, 149116611, 234326103, 546760907, 1640282721]

約数ペア:

[(1, 1640282721), (3, 546760907), (7, 234326103), (11, 149116611), (21, 78108701), (33, 49705537), (77, 21302373), (231, 7100791)]