208193679

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1109}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 327672000

約数和(自身を除く): 119478321

約数列:

[1, 3, 9, 17, 27, 51, 153, 409, 459, 1109, 1227, 3327, 3681, 6953, 9981, 11043, 18853, 20859, 29943, 56559, 62577, 169677, 187731, 453581, 509031, 1360743, 4082229, 7710877, 12246687, 23132631, 69397893, 208193679]

約数ペア:

[(1, 208193679), (3, 69397893), (9, 23132631), (17, 12246687), (27, 7710877), (51, 4082229), (153, 1360743), (409, 509031), (459, 453581), (1109, 187731), (1227, 169677), (3327, 62577), (3681, 56559), (6953, 29943), (9981, 20859), (11043, 18853)]