664355325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{521063}}^1$

素因数の和:521093

約数の個数: 24

約数和(自身を含む): 1163014848

約数和(自身を除く): 498659523

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 521063, 1563189, 2605315, 7815945, 8858071, 13026575, 26574213, 39079725, 44290355, 132871065, 221451775, 664355325]

約数ペア:

[(1, 664355325), (3, 221451775), (5, 132871065), (15, 44290355), (17, 39079725), (25, 26574213), (51, 13026575), (75, 8858071), (85, 7815945), (255, 2605315), (425, 1563189), (1275, 521063)]