31129635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 54464256

約数和(自身を除く): 23334621

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 167, 215, 255, 289, 501, 645, 731, 835, 867, 1445, 2193, 2505, 2839, 3655, 4335, 7181, 8517, 10965, 12427, 14195, 21543, 35905, 37281, 42585, 48263, 62135, 107715, 122077, 144789, 186405, 241315, 366231, 610385, 723945, 1831155, 2075309, 6225927, 10376545, 31129635]

約数ペア:

[(1, 31129635), (3, 10376545), (5, 6225927), (15, 2075309), (17, 1831155), (43, 723945), (51, 610385), (85, 366231), (129, 241315), (167, 186405), (215, 144789), (255, 122077), (289, 107715), (501, 62135), (645, 48263), (731, 42585), (835, 37281), (867, 35905), (1445, 21543), (2193, 14195), (2505, 12427), (2839, 10965), (3655, 8517), (4335, 7181)]