81521085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{236293}}^1$

素因数の和:236324

約数の個数: 16

約数和(自身を含む): 136105344

約数和(自身を除く): 54584259

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 236293, 708879, 1181465, 3544395, 5434739, 16304217, 27173695, 81521085]

約数ペア:

[(1, 81521085), (3, 27173695), (5, 16304217), (15, 5434739), (23, 3544395), (69, 1181465), (115, 708879), (345, 236293)]