228511437

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2543}}^1$

素因数の和:2953

約数の個数: 32

約数和(自身を含む): 380989440

約数和(自身を除く): 152478003

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 389, 1167, 2543, 2723, 4279, 7629, 8169, 12837, 17801, 27973, 29953, 53403, 83919, 89859, 195811, 587433, 989227, 2967681, 6924589, 10881497, 20773767, 32644491, 76170479, 228511437]

約数ペア:

[(1, 228511437), (3, 76170479), (7, 32644491), (11, 20773767), (21, 10881497), (33, 6924589), (77, 2967681), (231, 989227), (389, 587433), (1167, 195811), (2543, 89859), (2723, 83919), (4279, 53403), (7629, 29953), (8169, 27973), (12837, 17801)]