81472371

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 119992320

約数和(自身を除く): 38519949

約数列:

[1, 3, 23, 31, 41, 69, 93, 123, 713, 929, 943, 1271, 2139, 2787, 2829, 3813, 21367, 28799, 29233, 38089, 64101, 86397, 87699, 114267, 662377, 876047, 1180759, 1987131, 2628141, 3542277, 27157457, 81472371]

約数ペア:

[(1, 81472371), (3, 27157457), (23, 3542277), (31, 2628141), (41, 1987131), (69, 1180759), (93, 876047), (123, 662377), (713, 114267), (929, 87699), (943, 86397), (1271, 64101), (2139, 38089), (2787, 29233), (2829, 28799), (3813, 21367)]