199493985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{309293}}^1$

素因数の和:309344

約数の個数: 16

約数和(自身を含む): 326614464

約数和(自身を除く): 127120479

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 309293, 927879, 1546465, 4639395, 13299599, 39898797, 66497995, 199493985]

約数ペア:

[(1, 199493985), (3, 66497995), (5, 39898797), (15, 13299599), (43, 4639395), (129, 1546465), (215, 927879), (645, 309293)]