25099551

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 40423680

約数和(自身を除く): 15324129

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 347, 423, 513, 893, 1041, 1269, 1539, 2679, 3123, 3807, 6593, 8037, 9369, 16309, 19779, 24111, 28107, 48927, 59337, 72333, 146781, 178011, 309871, 440343, 534033, 929613, 1321029, 2788839, 8366517, 25099551]

約数ペア:

[(1, 25099551), (3, 8366517), (9, 2788839), (19, 1321029), (27, 929613), (47, 534033), (57, 440343), (81, 309871), (141, 178011), (171, 146781), (347, 72333), (423, 59337), (513, 48927), (893, 28107), (1041, 24111), (1269, 19779), (1539, 16309), (2679, 9369), (3123, 8037), (3807, 6593)]