71930187

素因数分解:

$3^5\times 7^3\times {\mathrm{863}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 125798400

約数和(自身を除く): 53868213

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 441, 567, 863, 1029, 1323, 1701, 2589, 3087, 3969, 6041, 7767, 9261, 11907, 18123, 23301, 27783, 42287, 54369, 69903, 83349, 126861, 163107, 209709, 296009, 380583, 489321, 888027, 1141749, 1467963, 2664081, 3425247, 7992243, 10275741, 23976729, 71930187]

約数ペア:

[(1, 71930187), (3, 23976729), (7, 10275741), (9, 7992243), (21, 3425247), (27, 2664081), (49, 1467963), (63, 1141749), (81, 888027), (147, 489321), (189, 380583), (243, 296009), (343, 209709), (441, 163107), (567, 126861), (863, 83349), (1029, 69903), (1323, 54369), (1701, 42287), (2589, 27783), (3087, 23301), (3969, 18123), (6041, 11907), (7767, 9261)]