26720955

素因数分解:

$3^3\times 5^1\times {\mathrm{197933}}^1$

素因数の和:197947

約数の個数: 16

約数和(自身を含む): 47504160

約数和(自身を除く): 20783205

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197933, 593799, 989665, 1781397, 2968995, 5344191, 8906985, 26720955]

約数ペア:

[(1, 26720955), (3, 8906985), (5, 5344191), (9, 2968995), (15, 1781397), (27, 989665), (45, 593799), (135, 197933)]