178679979

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{2017}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 281874240

約数和(自身を除く): 103194261

約数列:

[1, 3, 9, 17, 27, 51, 153, 193, 459, 579, 1737, 2017, 3281, 5211, 6051, 9843, 18153, 29529, 34289, 54459, 88587, 102867, 308601, 389281, 925803, 1167843, 3503529, 6617777, 10510587, 19853331, 59559993, 178679979]

約数ペア:

[(1, 178679979), (3, 59559993), (9, 19853331), (17, 10510587), (27, 6617777), (51, 3503529), (153, 1167843), (193, 925803), (459, 389281), (579, 308601), (1737, 102867), (2017, 88587), (3281, 54459), (5211, 34289), (6051, 29529), (9843, 18153)]