217837425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{223423}}^1$

素因数の和:223449

約数の個数: 24

約数和(自身を含む): 387864064

約数和(自身を除く): 170026639

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 223423, 670269, 1117115, 2904499, 3351345, 5585575, 8713497, 14522495, 16756725, 43567485, 72612475, 217837425]

約数ペア:

[(1, 217837425), (3, 72612475), (5, 43567485), (13, 16756725), (15, 14522495), (25, 8713497), (39, 5585575), (65, 3351345), (75, 2904499), (195, 1117115), (325, 670269), (975, 223423)]