2005221621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1319}}^1\times {\mathrm{2293}}^1$

素因数の和:3645

約数の個数: 32

約数和(自身を含む): 3052304640

約数和(自身を除く): 1047083019

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 1319, 2293, 3957, 6879, 17147, 22423, 29809, 38981, 51441, 67269, 89427, 116943, 291499, 506753, 874497, 1520259, 3024467, 9073401, 39318071, 51415939, 117954213, 154247817, 668407207, 2005221621]

約数ペア:

[(1, 2005221621), (3, 668407207), (13, 154247817), (17, 117954213), (39, 51415939), (51, 39318071), (221, 9073401), (663, 3024467), (1319, 1520259), (2293, 874497), (3957, 506753), (6879, 291499), (17147, 116943), (22423, 89427), (29809, 67269), (38981, 51441)]