227907771

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 383040000

約数和(自身を除く): 155132229

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 239, 273, 499, 637, 717, 1497, 1673, 1911, 3107, 3493, 5019, 6487, 9321, 10479, 11711, 19461, 21749, 24451, 35133, 45409, 65247, 73353, 119261, 136227, 152243, 317863, 357783, 456729, 834827, 953589, 1550393, 2504481, 4651179, 5843789, 10852751, 17531367, 32558253, 75969257, 227907771]

約数ペア:

[(1, 227907771), (3, 75969257), (7, 32558253), (13, 17531367), (21, 10852751), (39, 5843789), (49, 4651179), (91, 2504481), (147, 1550393), (239, 953589), (273, 834827), (499, 456729), (637, 357783), (717, 317863), (1497, 152243), (1673, 136227), (1911, 119261), (3107, 73353), (3493, 65247), (5019, 45409), (6487, 35133), (9321, 24451), (10479, 21749), (11711, 19461)]