28905345

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13109}}^1$

素因数の和:13134

約数の個数: 36

約数和(自身を含む): 58287060

約数和(自身を除く): 29381715

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 13109, 39327, 65545, 91763, 117981, 196635, 275289, 458815, 589905, 642341, 825867, 1376445, 1927023, 3211705, 4129335, 5781069, 9635115, 28905345]

約数ペア:

[(1, 28905345), (3, 9635115), (5, 5781069), (7, 4129335), (9, 3211705), (15, 1927023), (21, 1376445), (35, 825867), (45, 642341), (49, 589905), (63, 458815), (105, 275289), (147, 196635), (245, 117981), (315, 91763), (441, 65545), (735, 39327), (2205, 13109)]