31463487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 53539200

約数和(自身を除く): 22075713

約数列:

[1, 3, 9, 11, 19, 33, 43, 57, 99, 129, 171, 209, 387, 389, 473, 627, 817, 1167, 1419, 1881, 2451, 3501, 4257, 4279, 7353, 7391, 8987, 12837, 16727, 22173, 26961, 38511, 50181, 66519, 80883, 81301, 150543, 183997, 243903, 317813, 551991, 731709, 953439, 1655973, 2860317, 3495943, 10487829, 31463487]

約数ペア:

[(1, 31463487), (3, 10487829), (9, 3495943), (11, 2860317), (19, 1655973), (33, 953439), (43, 731709), (57, 551991), (99, 317813), (129, 243903), (171, 183997), (209, 150543), (387, 81301), (389, 80883), (473, 66519), (627, 50181), (817, 38511), (1167, 26961), (1419, 22173), (1881, 16727), (2451, 12837), (3501, 8987), (4257, 7391), (4279, 7353)]