25028757

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 56

約数和(自身を含む): 42845600

約数和(自身を除く): 17816843

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 139, 171, 243, 247, 351, 417, 513, 729, 741, 1053, 1251, 1539, 1807, 2223, 2641, 3159, 3753, 4617, 5421, 6669, 7923, 9477, 11259, 13851, 16263, 20007, 23769, 33777, 34333, 48789, 60021, 71307, 101331, 102999, 146367, 180063, 213921, 308997, 439101, 641763, 926991, 1317303, 1925289, 2780973, 8342919, 25028757]

約数ペア:

[(1, 25028757), (3, 8342919), (9, 2780973), (13, 1925289), (19, 1317303), (27, 926991), (39, 641763), (57, 439101), (81, 308997), (117, 213921), (139, 180063), (171, 146367), (243, 102999), (247, 101331), (351, 71307), (417, 60021), (513, 48789), (729, 34333), (741, 33777), (1053, 23769), (1251, 20007), (1539, 16263), (1807, 13851), (2223, 11259), (2641, 9477), (3159, 7923), (3753, 6669), (4617, 5421)]