1215025

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 1767744

約数和(自身を除く): 552719

約数列:

[1, 5, 7, 25, 35, 53, 131, 175, 265, 371, 655, 917, 1325, 1855, 3275, 4585, 6943, 9275, 22925, 34715, 48601, 173575, 243005, 1215025]

約数ペア:

[(1, 1215025), (5, 243005), (7, 173575), (25, 48601), (35, 34715), (53, 22925), (131, 9275), (175, 6943), (265, 4585), (371, 3275), (655, 1855), (917, 1325)]