56967921

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 86457600

約数和(自身を除く): 29489679

約数列:

[1, 3, 9, 27, 89, 151, 157, 267, 453, 471, 801, 1359, 1413, 2403, 4077, 4239, 13439, 13973, 23707, 40317, 41919, 71121, 120951, 125757, 213363, 362853, 377271, 640089, 2109923, 6329769, 18989307, 56967921]

約数ペア:

[(1, 56967921), (3, 18989307), (9, 6329769), (27, 2109923), (89, 640089), (151, 377271), (157, 362853), (267, 213363), (453, 125757), (471, 120951), (801, 71121), (1359, 41919), (1413, 40317), (2403, 23707), (4077, 13973), (4239, 13439)]