27657903

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 47458656

約数和(自身を除く): 19800753

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 273, 287, 353, 533, 637, 861, 1059, 1599, 1911, 2009, 2471, 3731, 4589, 6027, 7413, 11193, 13767, 14473, 17297, 26117, 32123, 43419, 51891, 78351, 96369, 101311, 188149, 224861, 303933, 564447, 674583, 709177, 1317043, 2127531, 3951129, 9219301, 27657903]

約数ペア:

[(1, 27657903), (3, 9219301), (7, 3951129), (13, 2127531), (21, 1317043), (39, 709177), (41, 674583), (49, 564447), (91, 303933), (123, 224861), (147, 188149), (273, 101311), (287, 96369), (353, 78351), (533, 51891), (637, 43419), (861, 32123), (1059, 26117), (1599, 17297), (1911, 14473), (2009, 13767), (2471, 11193), (3731, 7413), (4589, 6027)]