64810557

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2467}}^1$

素因数の和:2622

約数の個数: 32

約数和(自身を含む): 110566400

約数和(自身を除く): 45755843

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2467, 2919, 3753, 7401, 8757, 17269, 22203, 26271, 51807, 66609, 155421, 342913, 466263, 1028739, 2400391, 3086217, 7201173, 9258651, 21603519, 64810557]

約数ペア:

[(1, 64810557), (3, 21603519), (7, 9258651), (9, 7201173), (21, 3086217), (27, 2400391), (63, 1028739), (139, 466263), (189, 342913), (417, 155421), (973, 66609), (1251, 51807), (2467, 26271), (2919, 22203), (3753, 17269), (7401, 8757)]