278987265

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{27073}}^1$

素因数の和:27313

約数の個数: 24

約数和(自身を含む): 485707560

約数和(自身を除く): 206720295

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 2061, 3435, 10305, 27073, 81219, 135365, 243657, 406095, 1218285, 6199717, 18599151, 30998585, 55797453, 92995755, 278987265]

約数ペア:

[(1, 278987265), (3, 92995755), (5, 55797453), (9, 30998585), (15, 18599151), (45, 6199717), (229, 1218285), (687, 406095), (1145, 243657), (2061, 135365), (3435, 81219), (10305, 27073)]