631505715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{7963}}^1$

素因数の和:8299

約数の個数: 32

約数和(自身を含む): 1073419776

約数和(自身を除く): 441914061

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 311, 933, 1555, 4665, 5287, 7963, 15861, 23889, 26435, 39815, 79305, 119445, 135371, 406113, 676855, 2030565, 2476493, 7429479, 12382465, 37147395, 42100381, 126301143, 210501905, 631505715]

約数ペア:

[(1, 631505715), (3, 210501905), (5, 126301143), (15, 42100381), (17, 37147395), (51, 12382465), (85, 7429479), (255, 2476493), (311, 2030565), (933, 676855), (1555, 406113), (4665, 135371), (5287, 119445), (7963, 79305), (15861, 39815), (23889, 26435)]