27947829

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4451}}^1$

素因数の和:4497

約数の個数: 32

約数和(自身を含む): 47867904

約数和(自身を除く): 19920075

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 4451, 6279, 13353, 31157, 57863, 93471, 102373, 173589, 307119, 405041, 716611, 1215123, 1330849, 2149833, 3992547, 9315943, 27947829]

約数ペア:

[(1, 27947829), (3, 9315943), (7, 3992547), (13, 2149833), (21, 1330849), (23, 1215123), (39, 716611), (69, 405041), (91, 307119), (161, 173589), (273, 102373), (299, 93471), (483, 57863), (897, 31157), (2093, 13353), (4451, 6279)]