2299995

素因数分解:

$3^6\times 5^1\times {\mathrm{631}}^1$

素因数の和:654

約数の個数: 28

約数和(自身を含む): 4144656

約数和(自身を除く): 1844661

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 631, 729, 1215, 1893, 3155, 3645, 5679, 9465, 17037, 28395, 51111, 85185, 153333, 255555, 459999, 766665, 2299995]

約数ペア:

[(1, 2299995), (3, 766665), (5, 459999), (9, 255555), (15, 153333), (27, 85185), (45, 51111), (81, 28395), (135, 17037), (243, 9465), (405, 5679), (631, 3645), (729, 3155), (1215, 1893)]