81914517

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 129340800

約数和(自身を除く): 47426283

約数列:

[1, 3, 9, 17, 27, 51, 153, 179, 459, 537, 997, 1611, 2991, 3043, 4833, 8973, 9129, 16949, 26919, 27387, 50847, 82161, 152541, 178463, 457623, 535389, 1606167, 3033871, 4818501, 9101613, 27304839, 81914517]

約数ペア:

[(1, 81914517), (3, 27304839), (9, 9101613), (17, 4818501), (27, 3033871), (51, 1606167), (153, 535389), (179, 457623), (459, 178463), (537, 152541), (997, 82161), (1611, 50847), (2991, 27387), (3043, 26919), (4833, 16949), (8973, 9129)]