57878457

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 99896832

約数和(自身を除く): 42018375

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 637, 651, 977, 1209, 1519, 1911, 2821, 2931, 4557, 6839, 8463, 12701, 19747, 20517, 30287, 38103, 47873, 59241, 88907, 90861, 143619, 212009, 266721, 393731, 622349, 636027, 1181193, 1484063, 1867047, 2756117, 4452189, 8268351, 19292819, 57878457]

約数ペア:

[(1, 57878457), (3, 19292819), (7, 8268351), (13, 4452189), (21, 2756117), (31, 1867047), (39, 1484063), (49, 1181193), (91, 636027), (93, 622349), (147, 393731), (217, 266721), (273, 212009), (403, 143619), (637, 90861), (651, 88907), (977, 59241), (1209, 47873), (1519, 38103), (1911, 30287), (2821, 20517), (2931, 19747), (4557, 12701), (6839, 8463)]