30871425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31663}}^1$

素因数の和:31689

約数の個数: 24

約数和(自身を含む): 54968704

約数和(自身を除く): 24097279

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 31663, 94989, 158315, 411619, 474945, 791575, 1234857, 2058095, 2374725, 6174285, 10290475, 30871425]

約数ペア:

[(1, 30871425), (3, 10290475), (5, 6174285), (13, 2374725), (15, 2058095), (25, 1234857), (39, 791575), (65, 474945), (75, 411619), (195, 158315), (325, 94989), (975, 31663)]