196420959

素因数分解:

$3^2\times 7^2\times {\mathrm{313}}^1\times {\mathrm{1423}}^1$

素因数の和:1756

約数の個数: 36

約数和(自身を含む): 331327776

約数和(自身を除く): 134906817

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 313, 441, 939, 1423, 2191, 2817, 4269, 6573, 9961, 12807, 15337, 19719, 29883, 46011, 69727, 89649, 138033, 209181, 445399, 627543, 1336197, 3117793, 4008591, 9353379, 21824551, 28060137, 65473653, 196420959]

約数ペア:

[(1, 196420959), (3, 65473653), (7, 28060137), (9, 21824551), (21, 9353379), (49, 4008591), (63, 3117793), (147, 1336197), (313, 627543), (441, 445399), (939, 209181), (1423, 138033), (2191, 89649), (2817, 69727), (4269, 46011), (6573, 29883), (9961, 19719), (12807, 15337)]