23720895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 45276192

約数和(自身を除く): 21555297

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 173, 277, 495, 519, 831, 865, 1385, 1557, 1903, 2493, 2595, 3047, 4155, 5709, 7785, 9141, 9515, 12465, 15235, 17127, 27423, 28545, 45705, 47921, 85635, 137115, 143763, 239605, 431289, 527131, 718815, 1581393, 2156445, 2635655, 4744179, 7906965, 23720895]

約数ペア:

[(1, 23720895), (3, 7906965), (5, 4744179), (9, 2635655), (11, 2156445), (15, 1581393), (33, 718815), (45, 527131), (55, 431289), (99, 239605), (165, 143763), (173, 137115), (277, 85635), (495, 47921), (519, 45705), (831, 28545), (865, 27423), (1385, 17127), (1557, 15235), (1903, 12465), (2493, 9515), (2595, 9141), (3047, 7785), (4155, 5709)]