25351221

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 15567819

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 719, 1533, 1679, 2157, 5033, 5037, 11753, 15099, 16537, 35259, 49611, 52487, 115759, 157461, 347277, 367409, 1102227, 1207201, 3621603, 8450407, 25351221]

約数ペア:

[(1, 25351221), (3, 8450407), (7, 3621603), (21, 1207201), (23, 1102227), (69, 367409), (73, 347277), (161, 157461), (219, 115759), (483, 52487), (511, 49611), (719, 35259), (1533, 16537), (1679, 15099), (2157, 11753), (5033, 5037)]