2891349

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{619}}^1$

素因数の和:801

約数の個数: 16

約数和(自身を含む): 4315200

約数和(自身を除く): 1423851

約数列:

[1, 3, 9, 27, 173, 519, 619, 1557, 1857, 4671, 5571, 16713, 107087, 321261, 963783, 2891349]

約数ペア:

[(1, 2891349), (3, 963783), (9, 321261), (27, 107087), (173, 16713), (519, 5571), (619, 4671), (1557, 1857)]