487990065

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{8011}}^1$

素因数の和:8181

約数の個数: 32

約数和(自身を含む): 812224512

約数和(自身を除く): 324234447

約数列:

[1, 3, 5, 15, 31, 93, 131, 155, 393, 465, 655, 1965, 4061, 8011, 12183, 20305, 24033, 40055, 60915, 120165, 248341, 745023, 1049441, 1241705, 3148323, 3725115, 5247205, 15741615, 32532671, 97598013, 162663355, 487990065]

約数ペア:

[(1, 487990065), (3, 162663355), (5, 97598013), (15, 32532671), (31, 15741615), (93, 5247205), (131, 3725115), (155, 3148323), (393, 1241705), (465, 1049441), (655, 745023), (1965, 248341), (4061, 120165), (8011, 60915), (12183, 40055), (20305, 24033)]