81701361

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4091}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 135330624

約数和(自身を除く): 53629263

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 2219, 2853, 4091, 6657, 12273, 19971, 28637, 36819, 85911, 257733, 1296847, 3890541, 9077929, 11671623, 27233787, 81701361]

約数ペア:

[(1, 81701361), (3, 27233787), (7, 11671623), (9, 9077929), (21, 3890541), (63, 1296847), (317, 257733), (951, 85911), (2219, 36819), (2853, 28637), (4091, 19971), (6657, 12273)]