17979813

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3255

約数の個数: 24

約数和(自身を含む): 28112448

約数和(自身を除く): 10132635

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3217, 5589, 9651, 28953, 73991, 86859, 221973, 260577, 665919, 781731, 1997757, 5993271, 17979813]

約数ペア:

[(1, 17979813), (3, 5993271), (9, 1997757), (23, 781731), (27, 665919), (69, 260577), (81, 221973), (207, 86859), (243, 73991), (621, 28953), (1863, 9651), (3217, 5589)]