69181815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1039}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 116213760

約数和(自身を除く): 47031945

約数列:

[1, 3, 5, 15, 23, 69, 115, 193, 345, 579, 965, 1039, 2895, 3117, 4439, 5195, 13317, 15585, 22195, 23897, 66585, 71691, 119485, 200527, 358455, 601581, 1002635, 3007905, 4612121, 13836363, 23060605, 69181815]

約数ペア:

[(1, 69181815), (3, 23060605), (5, 13836363), (15, 4612121), (23, 3007905), (69, 1002635), (115, 601581), (193, 358455), (345, 200527), (579, 119485), (965, 71691), (1039, 66585), (2895, 23897), (3117, 22195), (4439, 15585), (5195, 13317)]