27880725

素因数分解:

$3^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{883}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 46257952

約数和(自身を除く): 18377227

約数列:

[1, 3, 5, 15, 25, 75, 421, 883, 1263, 2105, 2649, 4415, 6315, 10525, 13245, 22075, 31575, 66225, 371743, 1115229, 1858715, 5576145, 9293575, 27880725]

約数ペア:

[(1, 27880725), (3, 9293575), (5, 5576145), (15, 1858715), (25, 1115229), (75, 371743), (421, 66225), (883, 31575), (1263, 22075), (2105, 13245), (2649, 10525), (4415, 6315)]