27861855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 26328225

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 83, 105, 115, 139, 161, 249, 345, 415, 417, 483, 581, 695, 805, 973, 1245, 1743, 1909, 2085, 2415, 2905, 2919, 3197, 4865, 5727, 8715, 9545, 9591, 11537, 13363, 14595, 15985, 22379, 28635, 34611, 40089, 47955, 57685, 66815, 67137, 80759, 111895, 173055, 200445, 242277, 265351, 335685, 403795, 796053, 1211385, 1326755, 1857457, 3980265, 5572371, 9287285, 27861855]

約数ペア:

[(1, 27861855), (3, 9287285), (5, 5572371), (7, 3980265), (15, 1857457), (21, 1326755), (23, 1211385), (35, 796053), (69, 403795), (83, 335685), (105, 265351), (115, 242277), (139, 200445), (161, 173055), (249, 111895), (345, 80759), (415, 67137), (417, 66815), (483, 57685), (581, 47955), (695, 40089), (805, 34611), (973, 28635), (1245, 22379), (1743, 15985), (1909, 14595), (2085, 13363), (2415, 11537), (2905, 9591), (2919, 9545), (3197, 8715), (4865, 5727)]