28925025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8969}}^1$

素因数の和:9025

約数の個数: 24

約数和(自身を含む): 48940320

約数和(自身を除く): 20015295

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8969, 26907, 44845, 134535, 224225, 385667, 672675, 1157001, 1928335, 5785005, 9641675, 28925025]

約数ペア:

[(1, 28925025), (3, 9641675), (5, 5785005), (15, 1928335), (25, 1157001), (43, 672675), (75, 385667), (129, 224225), (215, 134535), (645, 44845), (1075, 26907), (3225, 8969)]