207894819

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 328648320

約数和(自身を除く): 120753501

約数列:

[1, 3, 11, 17, 33, 51, 59, 121, 177, 187, 363, 561, 571, 649, 1003, 1713, 1947, 2057, 3009, 6171, 6281, 7139, 9707, 11033, 18843, 21417, 29121, 33099, 33689, 69091, 101067, 106777, 121363, 207273, 320331, 364089, 370579, 572713, 1111737, 1174547, 1718139, 3523641, 4076369, 6299843, 12229107, 18899529, 69298273, 207894819]

約数ペア:

[(1, 207894819), (3, 69298273), (11, 18899529), (17, 12229107), (33, 6299843), (51, 4076369), (59, 3523641), (121, 1718139), (177, 1174547), (187, 1111737), (363, 572713), (561, 370579), (571, 364089), (649, 320331), (1003, 207273), (1713, 121363), (1947, 106777), (2057, 101067), (3009, 69091), (6171, 33689), (6281, 33099), (7139, 29121), (9707, 21417), (11033, 18843)]