81610785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2719}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 152755200

約数和(自身を除く): 71144415

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 667, 1035, 1305, 2001, 2719, 3335, 6003, 8157, 10005, 13595, 24471, 30015, 40785, 62537, 78851, 122355, 187611, 236553, 312685, 394255, 562833, 709659, 938055, 1182765, 1813573, 2814165, 3548295, 5440719, 9067865, 16322157, 27203595, 81610785]

約数ペア:

[(1, 81610785), (3, 27203595), (5, 16322157), (9, 9067865), (15, 5440719), (23, 3548295), (29, 2814165), (45, 1813573), (69, 1182765), (87, 938055), (115, 709659), (145, 562833), (207, 394255), (261, 312685), (345, 236553), (435, 187611), (667, 122355), (1035, 78851), (1305, 62537), (2001, 40785), (2719, 30015), (3335, 24471), (6003, 13595), (8157, 10005)]