15682315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 22176000

約数和(自身を除く): 6493685

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 349, 473, 817, 1045, 1745, 2365, 3839, 4085, 6631, 8987, 15007, 19195, 33155, 44935, 72941, 75035, 165077, 285133, 364705, 825385, 1425665, 3136463, 15682315]

約数ペア:

[(1, 15682315), (5, 3136463), (11, 1425665), (19, 825385), (43, 364705), (55, 285133), (95, 165077), (209, 75035), (215, 72941), (349, 44935), (473, 33155), (817, 19195), (1045, 15007), (1745, 8987), (2365, 6631), (3839, 4085)]