389997408165

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{553187813}}^1$

素因数の和:553187868

約数の個数: 16

約数和(自身を含む): 637272361728

約数和(自身を除く): 247274953563

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 553187813, 1659563439, 2765939065, 8297817195, 25999827211, 77999481633, 129999136055, 389997408165]

約数ペア:

[(1, 389997408165), (3, 129999136055), (5, 77999481633), (15, 25999827211), (47, 8297817195), (141, 2765939065), (235, 1659563439), (705, 553187813)]