31275285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 52565760

約数和(自身を除く): 21290475

約数列:

[1, 3, 5, 15, 23, 69, 115, 269, 337, 345, 807, 1011, 1345, 1685, 4035, 5055, 6187, 7751, 18561, 23253, 30935, 38755, 90653, 92805, 116265, 271959, 453265, 1359795, 2085019, 6255057, 10425095, 31275285]

約数ペア:

[(1, 31275285), (3, 10425095), (5, 6255057), (15, 2085019), (23, 1359795), (69, 453265), (115, 271959), (269, 116265), (337, 92805), (345, 90653), (807, 38755), (1011, 30935), (1345, 23253), (1685, 18561), (4035, 7751), (5055, 6187)]