391420365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{55639}}^1$

素因数の和:55721

約数の個数: 32

約数和(自身を含む): 726435840

約数和(自身を除く): 335015475

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 7035, 55639, 166917, 278195, 389473, 834585, 1168419, 1947365, 3727813, 5842095, 11183439, 18639065, 26094691, 55917195, 78284073, 130473455, 391420365]

約数ペア:

[(1, 391420365), (3, 130473455), (5, 78284073), (7, 55917195), (15, 26094691), (21, 18639065), (35, 11183439), (67, 5842095), (105, 3727813), (201, 1947365), (335, 1168419), (469, 834585), (1005, 389473), (1407, 278195), (2345, 166917), (7035, 55639)]