248719005

素因数分解:

$3^5\times 5^1\times {\mathrm{204707}}^1$

素因数の和:204727

約数の個数: 24

約数和(自身を含む): 447082272

約数和(自身を除く): 198363267

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 204707, 614121, 1023535, 1842363, 3070605, 5527089, 9211815, 16581267, 27635445, 49743801, 82906335, 248719005]

約数ペア:

[(1, 248719005), (3, 82906335), (5, 49743801), (9, 27635445), (15, 16581267), (27, 9211815), (45, 5527089), (81, 3070605), (135, 1842363), (243, 1023535), (405, 614121), (1215, 204707)]