25309725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 49871808

約数和(自身を除く): 24562083

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 97, 105, 147, 175, 213, 245, 291, 355, 485, 497, 525, 679, 735, 1065, 1225, 1455, 1491, 1775, 2037, 2425, 2485, 3395, 3479, 3675, 4753, 5325, 6887, 7275, 7455, 10185, 10437, 12425, 14259, 16975, 17395, 20661, 23765, 34435, 37275, 48209, 50925, 52185, 71295, 86975, 103305, 118825, 144627, 172175, 241045, 260925, 337463, 356475, 516525, 723135, 1012389, 1205225, 1687315, 3615675, 5061945, 8436575, 25309725]

約数ペア:

[(1, 25309725), (3, 8436575), (5, 5061945), (7, 3615675), (15, 1687315), (21, 1205225), (25, 1012389), (35, 723135), (49, 516525), (71, 356475), (75, 337463), (97, 260925), (105, 241045), (147, 172175), (175, 144627), (213, 118825), (245, 103305), (291, 86975), (355, 71295), (485, 52185), (497, 50925), (525, 48209), (679, 37275), (735, 34435), (1065, 23765), (1225, 20661), (1455, 17395), (1491, 16975), (1775, 14259), (2037, 12425), (2425, 10437), (2485, 10185), (3395, 7455), (3479, 7275), (3675, 6887), (4753, 5325)]