55221831

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 60

約数和(自身を含む): 100445488

約数和(自身を除く): 45223657

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 289, 337, 357, 459, 567, 867, 1011, 1071, 1377, 2023, 2359, 2601, 3033, 3213, 5729, 6069, 7077, 7803, 9099, 9639, 17187, 18207, 21231, 23409, 27297, 40103, 51561, 54621, 63693, 97393, 120309, 154683, 163863, 191079, 292179, 360927, 464049, 681751, 876537, 1082781, 2045253, 2629611, 3248343, 6135759, 7888833, 18407277, 55221831]

約数ペア:

[(1, 55221831), (3, 18407277), (7, 7888833), (9, 6135759), (17, 3248343), (21, 2629611), (27, 2045253), (51, 1082781), (63, 876537), (81, 681751), (119, 464049), (153, 360927), (189, 292179), (289, 191079), (337, 163863), (357, 154683), (459, 120309), (567, 97393), (867, 63693), (1011, 54621), (1071, 51561), (1377, 40103), (2023, 27297), (2359, 23409), (2601, 21231), (3033, 18207), (3213, 17187), (5729, 9639), (6069, 9099), (7077, 7803)]