31245813

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 49280868

約数和(自身を除く): 18035055

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 289, 293, 369, 697, 867, 879, 2091, 2601, 2637, 4981, 6273, 11849, 12013, 14943, 35547, 36039, 44829, 84677, 106641, 108117, 204221, 254031, 612663, 762093, 1837989, 3471757, 10415271, 31245813]

約数ペア:

[(1, 31245813), (3, 10415271), (9, 3471757), (17, 1837989), (41, 762093), (51, 612663), (123, 254031), (153, 204221), (289, 108117), (293, 106641), (369, 84677), (697, 44829), (867, 36039), (879, 35547), (2091, 14943), (2601, 12013), (2637, 11849), (4981, 6273)]