27810225

素因数分解:

$3^2\times 5^2\times {\mathrm{123601}}^1$

素因数の和:123617

約数の個数: 18

約数和(自身を含む): 49811606

約数和(自身を除く): 22001381

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 123601, 370803, 618005, 1112409, 1854015, 3090025, 5562045, 9270075, 27810225]

約数ペア:

[(1, 27810225), (3, 9270075), (5, 5562045), (9, 3090025), (15, 1854015), (25, 1112409), (45, 618005), (75, 370803), (225, 123601)]