81614637

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 138181680

約数和(自身を除く): 56567043

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 221, 333, 481, 629, 663, 1109, 1443, 1887, 1989, 3327, 4329, 5661, 8177, 9981, 14417, 18853, 24531, 41033, 43251, 56559, 73593, 123099, 129753, 169677, 245089, 369297, 533429, 697561, 735267, 1600287, 2092683, 2205801, 4800861, 6278049, 9068293, 27204879, 81614637]

約数ペア:

[(1, 81614637), (3, 27204879), (9, 9068293), (13, 6278049), (17, 4800861), (37, 2205801), (39, 2092683), (51, 1600287), (111, 735267), (117, 697561), (153, 533429), (221, 369297), (333, 245089), (481, 169677), (629, 129753), (663, 123099), (1109, 73593), (1443, 56559), (1887, 43251), (1989, 41033), (3327, 24531), (4329, 18853), (5661, 14417), (8177, 9981)]