1520678397

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1321}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 2430618624

約数和(自身を除く): 909940227

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 191, 287, 573, 861, 1321, 1337, 2009, 3963, 4011, 6027, 7831, 9247, 9359, 23493, 27741, 28077, 54161, 54817, 64729, 162483, 164451, 194187, 252311, 379127, 383719, 756933, 1137381, 1151157, 1766177, 2653889, 5298531, 7961667, 10344751, 12363239, 31034253, 37089717, 72413257, 217239771, 506892799, 1520678397]

約数ペア:

[(1, 1520678397), (3, 506892799), (7, 217239771), (21, 72413257), (41, 37089717), (49, 31034253), (123, 12363239), (147, 10344751), (191, 7961667), (287, 5298531), (573, 2653889), (861, 1766177), (1321, 1151157), (1337, 1137381), (2009, 756933), (3963, 383719), (4011, 379127), (6027, 252311), (7831, 194187), (9247, 164451), (9359, 162483), (23493, 64729), (27741, 54817), (28077, 54161)]