1388707983

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:710

約数の個数: 60

約数和(自身を含む): 2261243160

約数和(自身を除く): 872535177

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 229, 351, 443, 507, 687, 1053, 1329, 1521, 2061, 2977, 3987, 4563, 5759, 6183, 8931, 11961, 13689, 17277, 18549, 26793, 35883, 38701, 51831, 74867, 80379, 101447, 116103, 155493, 224601, 241137, 304341, 348309, 466479, 673803, 913023, 1044927, 1318811, 2021409, 2739069, 3134781, 3956433, 6064227, 8217207, 11869299, 17144543, 35607897, 51433629, 106823691, 154300887, 462902661, 1388707983]

約数ペア:

[(1, 1388707983), (3, 462902661), (9, 154300887), (13, 106823691), (27, 51433629), (39, 35607897), (81, 17144543), (117, 11869299), (169, 8217207), (229, 6064227), (351, 3956433), (443, 3134781), (507, 2739069), (687, 2021409), (1053, 1318811), (1329, 1044927), (1521, 913023), (2061, 673803), (2977, 466479), (3987, 348309), (4563, 304341), (5759, 241137), (6183, 224601), (8931, 155493), (11961, 116103), (13689, 101447), (17277, 80379), (18549, 74867), (26793, 51831), (35883, 38701)]