31200715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 47093760

約数和(自身を除く): 15893045

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1459, 1645, 3055, 4277, 7295, 10213, 18967, 21385, 51065, 68573, 94835, 132769, 342865, 480011, 663845, 891449, 2400055, 4457245, 6240143, 31200715]

約数ペア:

[(1, 31200715), (5, 6240143), (7, 4457245), (13, 2400055), (35, 891449), (47, 663845), (65, 480011), (91, 342865), (235, 132769), (329, 94835), (455, 68573), (611, 51065), (1459, 21385), (1645, 18967), (3055, 10213), (4277, 7295)]