64563855

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 109148160

約数和(自身を除く): 44584305

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 3229, 3999, 6665, 9687, 16145, 19995, 48435, 100099, 138847, 300297, 416541, 500495, 694235, 1501485, 2082705, 4304257, 12912771, 21521285, 64563855]

約数ペア:

[(1, 64563855), (3, 21521285), (5, 12912771), (15, 4304257), (31, 2082705), (43, 1501485), (93, 694235), (129, 500495), (155, 416541), (215, 300297), (465, 138847), (645, 100099), (1333, 48435), (3229, 19995), (3999, 16145), (6665, 9687)]