23271521

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 7774879

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 307, 343, 637, 833, 1547, 2149, 3991, 4459, 5219, 5831, 10829, 15043, 27937, 36533, 67847, 75803, 105301, 195559, 255731, 474929, 1368913, 1790117, 3324503, 23271521]

約数ペア:

[(1, 23271521), (7, 3324503), (13, 1790117), (17, 1368913), (49, 474929), (91, 255731), (119, 195559), (221, 105301), (307, 75803), (343, 67847), (637, 36533), (833, 27937), (1547, 15043), (2149, 10829), (3991, 5831), (4459, 5219)]