28183995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 56339712

約数和(自身を除く): 28155717

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 315, 393, 655, 683, 917, 1179, 1965, 2049, 2751, 3415, 4585, 4781, 5895, 6147, 8253, 10245, 13755, 14343, 23905, 30735, 41265, 43029, 71715, 89473, 215145, 268419, 447365, 626311, 805257, 1342095, 1878933, 3131555, 4026285, 5636799, 9394665, 28183995]

約数ペア:

[(1, 28183995), (3, 9394665), (5, 5636799), (7, 4026285), (9, 3131555), (15, 1878933), (21, 1342095), (35, 805257), (45, 626311), (63, 447365), (105, 268419), (131, 215145), (315, 89473), (393, 71715), (655, 43029), (683, 41265), (917, 30735), (1179, 23905), (1965, 14343), (2049, 13755), (2751, 10245), (3415, 8253), (4585, 6147), (4781, 5895)]