19951455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78241}}^1$

素因数の和:78266

約数の個数: 16

約数和(自身を含む): 33800544

約数和(自身を除く): 13849089

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78241, 234723, 391205, 1173615, 1330097, 3990291, 6650485, 19951455]

約数ペア:

[(1, 19951455), (3, 6650485), (5, 3990291), (15, 1330097), (17, 1173615), (51, 391205), (85, 234723), (255, 78241)]