71897553

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12541}}^1$

素因数の和:12574

約数の個数: 36

約数和(自身を含む): 130110708

約数和(自身を除く): 58213155

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 12541, 37623, 87787, 112869, 163033, 263361, 489099, 614509, 790083, 1141231, 1467297, 1843527, 3423693, 5530581, 7988617, 10271079, 23965851, 71897553]

約数ペア:

[(1, 71897553), (3, 23965851), (7, 10271079), (9, 7988617), (13, 5530581), (21, 3423693), (39, 1843527), (49, 1467297), (63, 1141231), (91, 790083), (117, 614509), (147, 489099), (273, 263361), (441, 163033), (637, 112869), (819, 87787), (1911, 37623), (5733, 12541)]