81307476

素因数分解:

$2^2\times 3^4\times {\mathrm{250949}}^1$

素因数の和:250965

約数の個数: 30

約数和(自身を含む): 212554650

約数和(自身を除く): 131247174

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250949, 501898, 752847, 1003796, 1505694, 2258541, 3011388, 4517082, 6775623, 9034164, 13551246, 20326869, 27102492, 40653738, 81307476]

約数ペア:

[(1, 81307476), (2, 40653738), (3, 27102492), (4, 20326869), (6, 13551246), (9, 9034164), (12, 6775623), (18, 4517082), (27, 3011388), (36, 2258541), (54, 1505694), (81, 1003796), (108, 752847), (162, 501898), (324, 250949)]