28134015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20611}}^1$

素因数の和:20639

約数の個数: 32

約数和(自身を含む): 55405056

約数和(自身を除く): 27271041

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20611, 61833, 103055, 144277, 267943, 309165, 432831, 721385, 803829, 1339715, 1875601, 2164155, 4019145, 5626803, 9378005, 28134015]

約数ペア:

[(1, 28134015), (3, 9378005), (5, 5626803), (7, 4019145), (13, 2164155), (15, 1875601), (21, 1339715), (35, 803829), (39, 721385), (65, 432831), (91, 309165), (105, 267943), (195, 144277), (273, 103055), (455, 61833), (1365, 20611)]