81337893

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1434

約数の個数: 48

約数和(自身を含む): 140345856

約数和(自身を除く): 59007963

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 637, 651, 1209, 1373, 1519, 1911, 2821, 4119, 4557, 8463, 9611, 17849, 19747, 28833, 42563, 53547, 59241, 67277, 124943, 127689, 201831, 297941, 374829, 553319, 874601, 893823, 1659957, 2085587, 2623803, 3873233, 6256761, 11619699, 27112631, 81337893]

約数ペア:

[(1, 81337893), (3, 27112631), (7, 11619699), (13, 6256761), (21, 3873233), (31, 2623803), (39, 2085587), (49, 1659957), (91, 893823), (93, 874601), (147, 553319), (217, 374829), (273, 297941), (403, 201831), (637, 127689), (651, 124943), (1209, 67277), (1373, 59241), (1519, 53547), (1911, 42563), (2821, 28833), (4119, 19747), (4557, 17849), (8463, 9611)]