51655815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 96707520

約数和(自身を除く): 45051705

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 667, 1035, 1305, 1721, 2001, 3335, 5163, 6003, 8605, 10005, 15489, 25815, 30015, 39583, 49909, 77445, 118749, 149727, 197915, 249545, 356247, 449181, 593745, 748635, 1147907, 1781235, 2245905, 3443721, 5739535, 10331163, 17218605, 51655815]

約数ペア:

[(1, 51655815), (3, 17218605), (5, 10331163), (9, 5739535), (15, 3443721), (23, 2245905), (29, 1781235), (45, 1147907), (69, 748635), (87, 593745), (115, 449181), (145, 356247), (207, 249545), (261, 197915), (345, 149727), (435, 118749), (667, 77445), (1035, 49909), (1305, 39583), (1721, 30015), (2001, 25815), (3335, 15489), (5163, 10005), (6003, 8605)]