13043921

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 15449280

約数和(自身を除く): 2405359

約数列:

[1, 11, 23, 43, 109, 121, 253, 473, 989, 1199, 2507, 2783, 4687, 5203, 10879, 13189, 27577, 51557, 107801, 119669, 303347, 567127, 1185811, 13043921]

約数ペア:

[(1, 13043921), (11, 1185811), (23, 567127), (43, 303347), (109, 119669), (121, 107801), (253, 51557), (473, 27577), (989, 13189), (1199, 10879), (2507, 5203), (2783, 4687)]