71940141

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5167}}^1$

素因数の和:5210

約数の個数: 48

約数和(自身を含む): 135442944

約数和(自身を除く): 63502803

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 5167, 13923, 15501, 36169, 46503, 67171, 87839, 108507, 201513, 263517, 325521, 470197, 604539, 614873, 790551, 1141907, 1410591, 1844619, 3425721, 4231773, 5533857, 7993349, 10277163, 23980047, 71940141]

約数ペア:

[(1, 71940141), (3, 23980047), (7, 10277163), (9, 7993349), (13, 5533857), (17, 4231773), (21, 3425721), (39, 1844619), (51, 1410591), (63, 1141907), (91, 790551), (117, 614873), (119, 604539), (153, 470197), (221, 325521), (273, 263517), (357, 201513), (663, 108507), (819, 87839), (1071, 67171), (1547, 46503), (1989, 36169), (4641, 15501), (5167, 13923)]