81243972

素因数分解:

$2^2\times 3^4\times {\mathrm{250753}}^1$

素因数の和:250769

約数の個数: 30

約数和(自身を含む): 212388638

約数和(自身を除く): 131144666

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250753, 501506, 752259, 1003012, 1504518, 2256777, 3009036, 4513554, 6770331, 9027108, 13540662, 20310993, 27081324, 40621986, 81243972]

約数ペア:

[(1, 81243972), (2, 40621986), (3, 27081324), (4, 20310993), (6, 13540662), (9, 9027108), (12, 6770331), (18, 4513554), (27, 3009036), (36, 2256777), (54, 1504518), (81, 1003012), (108, 752259), (162, 501506), (324, 250753)]