202269879

素因数分解:

$3^4\times 7^1\times {\mathrm{356737}}^1$

素因数の和:356756

約数の個数: 20

約数和(自身を含む): 345322384

約数和(自身を除く): 143052505

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 356737, 1070211, 2497159, 3210633, 7491477, 9631899, 22474431, 28895697, 67423293, 202269879]

約数ペア:

[(1, 202269879), (3, 67423293), (7, 28895697), (9, 22474431), (21, 9631899), (27, 7491477), (63, 3210633), (81, 2497159), (189, 1070211), (567, 356737)]