256101909

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{89017}}^1$

素因数の和:89164

約数の個数: 16

約数和(自身を含む): 393103488

約数和(自身を除く): 137001579

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 89017, 267051, 623119, 1869357, 12195329, 36585987, 85367303, 256101909]

約数ペア:

[(1, 256101909), (3, 85367303), (7, 36585987), (21, 12195329), (137, 1869357), (411, 623119), (959, 267051), (2877, 89017)]