161457513

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{60539}}^1$

素因数の和:60676

約数の個数: 16

約数和(自身を含む): 247971840

約数和(自身を除く): 86514327

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 60539, 181617, 423773, 1271319, 7688453, 23065359, 53819171, 161457513]

約数ペア:

[(1, 161457513), (3, 53819171), (7, 23065359), (21, 7688453), (127, 1271319), (381, 423773), (889, 181617), (2667, 60539)]