27991305

素因数分解:

$3^3\times 5^1\times {\mathrm{207343}}^1$

素因数の和:207357

約数の個数: 16

約数和(自身を含む): 49762560

約数和(自身を除く): 21771255

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 207343, 622029, 1036715, 1866087, 3110145, 5598261, 9330435, 27991305]

約数ペア:

[(1, 27991305), (3, 9330435), (5, 5598261), (9, 3110145), (15, 1866087), (27, 1036715), (45, 622029), (135, 207343)]