31427985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3331}}^1$

素因数の和:3393

約数の個数: 32

約数和(自身を含む): 54698112

約数和(自身を除く): 23270127

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 3145, 3331, 9435, 9993, 16655, 49965, 56627, 123247, 169881, 283135, 369741, 616235, 849405, 1848705, 2095199, 6285597, 10475995, 31427985]

約数ペア:

[(1, 31427985), (3, 10475995), (5, 6285597), (15, 2095199), (17, 1848705), (37, 849405), (51, 616235), (85, 369741), (111, 283135), (185, 169881), (255, 123247), (555, 56627), (629, 49965), (1887, 16655), (3145, 9993), (3331, 9435)]