61988409

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 114998400

約数和(自身を除く): 53009991

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 59, 63, 81, 109, 119, 153, 177, 189, 327, 357, 413, 459, 531, 567, 763, 981, 1003, 1071, 1239, 1377, 1593, 1853, 2289, 2943, 3009, 3213, 3717, 4779, 5559, 6431, 6867, 7021, 8829, 9027, 9639, 11151, 12971, 16677, 19293, 20601, 21063, 27081, 33453, 38913, 45017, 50031, 57879, 61803, 63189, 81243, 109327, 116739, 135051, 150093, 173637, 189567, 327981, 350217, 405153, 520911, 568701, 765289, 983943, 1050651, 1215459, 2295867, 2951829, 3646377, 6887601, 8855487, 20662803, 61988409]

約数ペア:

[(1, 61988409), (3, 20662803), (7, 8855487), (9, 6887601), (17, 3646377), (21, 2951829), (27, 2295867), (51, 1215459), (59, 1050651), (63, 983943), (81, 765289), (109, 568701), (119, 520911), (153, 405153), (177, 350217), (189, 327981), (327, 189567), (357, 173637), (413, 150093), (459, 135051), (531, 116739), (567, 109327), (763, 81243), (981, 63189), (1003, 61803), (1071, 57879), (1239, 50031), (1377, 45017), (1593, 38913), (1853, 33453), (2289, 27081), (2943, 21063), (3009, 20601), (3213, 19293), (3717, 16677), (4779, 12971), (5559, 11151), (6431, 9639), (6867, 9027), (7021, 8829)]