13564221

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 20613120

約数和(自身を除く): 7048899

約数列:

[1, 3, 11, 33, 43, 79, 121, 129, 237, 363, 473, 869, 1331, 1419, 2607, 3397, 3993, 5203, 9559, 10191, 15609, 28677, 37367, 57233, 105149, 112101, 171699, 315447, 411037, 1233111, 4521407, 13564221]

約数ペア:

[(1, 13564221), (3, 4521407), (11, 1233111), (33, 411037), (43, 315447), (79, 171699), (121, 112101), (129, 105149), (237, 57233), (363, 37367), (473, 28677), (869, 15609), (1331, 10191), (1419, 9559), (2607, 5203), (3397, 3993)]