256140963

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{5807}}^1$

素因数の和:5868

約数の個数: 36

約数和(自身を含む): 414516960

約数和(自身を除く): 158375997

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 169, 261, 377, 507, 1131, 1521, 3393, 4901, 5807, 14703, 17421, 44109, 52263, 75491, 168403, 226473, 505209, 679419, 981383, 1515627, 2189239, 2944149, 6567717, 8832447, 19703151, 28460107, 85380321, 256140963]

約数ペア:

[(1, 256140963), (3, 85380321), (9, 28460107), (13, 19703151), (29, 8832447), (39, 6567717), (87, 2944149), (117, 2189239), (169, 1515627), (261, 981383), (377, 679419), (507, 505209), (1131, 226473), (1521, 168403), (3393, 75491), (4901, 52263), (5807, 44109), (14703, 17421)]