39207987

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 71198400

約数和(自身を除く): 31990413

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 637, 819, 977, 1029, 1911, 2931, 3087, 4459, 5733, 6839, 8793, 12701, 13377, 20517, 38103, 40131, 47873, 61551, 88907, 114309, 143619, 266721, 335111, 430857, 622349, 800163, 1005333, 1867047, 3015999, 4356443, 5601141, 13069329, 39207987]

約数ペア:

[(1, 39207987), (3, 13069329), (7, 5601141), (9, 4356443), (13, 3015999), (21, 1867047), (39, 1005333), (49, 800163), (63, 622349), (91, 430857), (117, 335111), (147, 266721), (273, 143619), (343, 114309), (441, 88907), (637, 61551), (819, 47873), (977, 40131), (1029, 38103), (1911, 20517), (2931, 13377), (3087, 12701), (4459, 8793), (5733, 6839)]