25929477

素因数分解:

$3^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 60

約数和(自身を含む): 46347840

約数和(自身を除く): 20418363

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 81, 139, 141, 147, 189, 329, 417, 423, 441, 567, 973, 987, 1251, 1269, 1323, 2303, 2919, 2961, 3753, 3807, 3969, 6533, 6811, 6909, 8757, 8883, 11259, 19599, 20433, 20727, 26271, 26649, 45731, 58797, 61299, 62181, 78813, 137193, 176391, 183897, 186543, 320117, 411579, 529173, 551691, 960351, 1234737, 2881053, 3704211, 8643159, 25929477]

約数ペア:

[(1, 25929477), (3, 8643159), (7, 3704211), (9, 2881053), (21, 1234737), (27, 960351), (47, 551691), (49, 529173), (63, 411579), (81, 320117), (139, 186543), (141, 183897), (147, 176391), (189, 137193), (329, 78813), (417, 62181), (423, 61299), (441, 58797), (567, 45731), (973, 26649), (987, 26271), (1251, 20727), (1269, 20433), (1323, 19599), (2303, 11259), (2919, 8883), (2961, 8757), (3753, 6909), (3807, 6811), (3969, 6533)]