2051205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 3609984

約数和(自身を除く): 1558779

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 157, 195, 201, 335, 471, 785, 871, 1005, 2041, 2355, 2613, 4355, 6123, 10205, 10519, 13065, 30615, 31557, 52595, 136747, 157785, 410241, 683735, 2051205]

約数ペア:

[(1, 2051205), (3, 683735), (5, 410241), (13, 157785), (15, 136747), (39, 52595), (65, 31557), (67, 30615), (157, 13065), (195, 10519), (201, 10205), (335, 6123), (471, 4355), (785, 2613), (871, 2355), (1005, 2041)]