71908317

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 124697664

約数和(自身を除く): 52789347

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 103, 117, 153, 169, 221, 243, 309, 351, 459, 507, 663, 927, 1053, 1339, 1377, 1521, 1751, 1989, 2781, 2873, 3159, 4017, 4131, 4563, 5253, 5967, 8343, 8619, 12051, 13689, 15759, 17407, 17901, 22763, 25029, 25857, 36153, 41067, 47277, 52221, 53703, 68289, 77571, 108459, 141831, 156663, 204867, 232713, 295919, 325377, 425493, 469989, 614601, 698139, 887757, 1409967, 1843803, 2663271, 4229901, 5531409, 7989813, 23969439, 71908317]

約数ペア:

[(1, 71908317), (3, 23969439), (9, 7989813), (13, 5531409), (17, 4229901), (27, 2663271), (39, 1843803), (51, 1409967), (81, 887757), (103, 698139), (117, 614601), (153, 469989), (169, 425493), (221, 325377), (243, 295919), (309, 232713), (351, 204867), (459, 156663), (507, 141831), (663, 108459), (927, 77571), (1053, 68289), (1339, 53703), (1377, 52221), (1521, 47277), (1751, 41067), (1989, 36153), (2781, 25857), (2873, 25029), (3159, 22763), (4017, 17901), (4131, 17407), (4563, 15759), (5253, 13689), (5967, 12051), (8343, 8619)]