31801341

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 52553088

約数和(自身を除く): 20751747

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 121, 143, 253, 293, 299, 363, 429, 759, 879, 897, 1573, 2783, 3223, 3289, 3809, 4719, 6739, 8349, 9669, 9867, 11427, 20217, 35453, 36179, 41899, 74129, 87607, 106359, 108537, 125697, 222387, 262821, 460889, 815419, 963677, 1382667, 2446257, 2891031, 10600447, 31801341]

約数ペア:

[(1, 31801341), (3, 10600447), (11, 2891031), (13, 2446257), (23, 1382667), (33, 963677), (39, 815419), (69, 460889), (121, 262821), (143, 222387), (253, 125697), (293, 108537), (299, 106359), (363, 87607), (429, 74129), (759, 41899), (879, 36179), (897, 35453), (1573, 20217), (2783, 11427), (3223, 9867), (3289, 9669), (3809, 8349), (4719, 6739)]