1640473989

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{144931}}^1$

素因数の和:144966

約数の個数: 32

約数和(自身を含む): 2782694400

約数和(自身を除く): 1142220411

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 3773, 11319, 144931, 434793, 1014517, 1594241, 3043551, 4782723, 7101619, 11159687, 21304857, 33479061, 49711333, 78117809, 149133999, 234353427, 546824663, 1640473989]

約数ペア:

[(1, 1640473989), (3, 546824663), (7, 234353427), (11, 149133999), (21, 78117809), (33, 49711333), (49, 33479061), (77, 21304857), (147, 11159687), (231, 7101619), (343, 4782723), (539, 3043551), (1029, 1594241), (1617, 1014517), (3773, 434793), (11319, 144931)]