207918009

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{197453}}^1$

素因数の和:197478

約数の個数: 20

約数和(自身を含む): 334487076

約数和(自身を除く): 126569067

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 197453, 592359, 1777077, 2566889, 5331231, 7700667, 15993693, 23102001, 69306003, 207918009]

約数ペア:

[(1, 207918009), (3, 69306003), (9, 23102001), (13, 15993693), (27, 7700667), (39, 5331231), (81, 2566889), (117, 1777077), (351, 592359), (1053, 197453)]