55142775

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 106295280

約数和(自身を除く): 51152505

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 243, 261, 313, 405, 435, 675, 725, 783, 939, 1215, 1305, 1565, 2025, 2175, 2349, 2817, 3915, 4695, 6075, 6525, 7047, 7825, 8451, 9077, 11745, 14085, 19575, 23475, 25353, 27231, 35235, 42255, 45385, 58725, 70425, 76059, 81693, 126765, 136155, 176175, 211275, 226925, 245079, 380295, 408465, 633825, 680775, 735237, 1225395, 1901475, 2042325, 2205711, 3676185, 6126975, 11028555, 18380925, 55142775]

約数ペア:

[(1, 55142775), (3, 18380925), (5, 11028555), (9, 6126975), (15, 3676185), (25, 2205711), (27, 2042325), (29, 1901475), (45, 1225395), (75, 735237), (81, 680775), (87, 633825), (135, 408465), (145, 380295), (225, 245079), (243, 226925), (261, 211275), (313, 176175), (405, 136155), (435, 126765), (675, 81693), (725, 76059), (783, 70425), (939, 58725), (1215, 45385), (1305, 42255), (1565, 35235), (2025, 27231), (2175, 25353), (2349, 23475), (2817, 19575), (3915, 14085), (4695, 11745), (6075, 9077), (6525, 8451), (7047, 7825)]