81120052005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3229}}^1\times {\mathrm{98519}}^1$

素因数の和:101773

約数の個数: 32

約数和(自身を含む): 137470867200

約数和(自身を除く): 56350815195

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 3229, 9687, 16145, 48435, 54893, 98519, 164679, 274465, 295557, 492595, 823395, 1477785, 1674823, 5024469, 8374115, 25122345, 318117851, 954353553, 1590589255, 4771767765, 5408003467, 16224010401, 27040017335, 81120052005]

約数ペア:

[(1, 81120052005), (3, 27040017335), (5, 16224010401), (15, 5408003467), (17, 4771767765), (51, 1590589255), (85, 954353553), (255, 318117851), (3229, 25122345), (9687, 8374115), (16145, 5024469), (48435, 1674823), (54893, 1477785), (98519, 823395), (164679, 492595), (274465, 295557)]