27996129

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^2$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 48574656

約数和(自身を除く): 20578527

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 139, 161, 207, 417, 483, 973, 1251, 1449, 2919, 3197, 8757, 9591, 19321, 22379, 28773, 57963, 67137, 135247, 173889, 201411, 405741, 444383, 1217223, 1333149, 3110681, 3999447, 9332043, 27996129]

約数ペア:

[(1, 27996129), (3, 9332043), (7, 3999447), (9, 3110681), (21, 1333149), (23, 1217223), (63, 444383), (69, 405741), (139, 201411), (161, 173889), (207, 135247), (417, 67137), (483, 57963), (973, 28773), (1251, 22379), (1449, 19321), (2919, 9591), (3197, 8757)]