81293385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2333}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 137127168

約数和(自身を除く): 55833783

約数列:

[1, 3, 5, 15, 23, 69, 101, 115, 303, 345, 505, 1515, 2323, 2333, 6969, 6999, 11615, 11665, 34845, 34995, 53659, 160977, 235633, 268295, 706899, 804885, 1178165, 3534495, 5419559, 16258677, 27097795, 81293385]

約数ペア:

[(1, 81293385), (3, 27097795), (5, 16258677), (15, 5419559), (23, 3534495), (69, 1178165), (101, 804885), (115, 706899), (303, 268295), (345, 235633), (505, 160977), (1515, 53659), (2323, 34995), (2333, 34845), (6969, 11665), (6999, 11615)]