31318539

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 51918336

約数和(自身を除く): 20599797

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 2371, 4403, 7113, 13209, 16597, 40307, 49791, 87727, 120921, 263181, 282149, 614089, 846447, 1491359, 1842267, 4474077, 10439513, 31318539]

約数ペア:

[(1, 31318539), (3, 10439513), (7, 4474077), (17, 1842267), (21, 1491359), (37, 846447), (51, 614089), (111, 282149), (119, 263181), (259, 120921), (357, 87727), (629, 49791), (777, 40307), (1887, 16597), (2371, 13209), (4403, 7113)]