81219255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11257}}^1$

素因数の和:11315

約数の個数: 32

約数和(自身を含む): 143742144

約数和(自身を除く): 62522889

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 11257, 33771, 56285, 146341, 168855, 416509, 439023, 731705, 1249527, 2082545, 2195115, 5414617, 6247635, 16243851, 27073085, 81219255]

約数ペア:

[(1, 81219255), (3, 27073085), (5, 16243851), (13, 6247635), (15, 5414617), (37, 2195115), (39, 2082545), (65, 1249527), (111, 731705), (185, 439023), (195, 416509), (481, 168855), (555, 146341), (1443, 56285), (2405, 33771), (7215, 11257)]