64787751

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1373}}^1$

素因数の和:1500

約数の個数: 36

約数和(自身を含む): 109958472

約数和(自身を除く): 45170721

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 1373, 2247, 4119, 5243, 6741, 9611, 12357, 15729, 28833, 47187, 67277, 86499, 146911, 201831, 440733, 605493, 1028377, 1322199, 3085131, 7198639, 9255393, 21595917, 64787751]

約数ペア:

[(1, 64787751), (3, 21595917), (7, 9255393), (9, 7198639), (21, 3085131), (49, 1322199), (63, 1028377), (107, 605493), (147, 440733), (321, 201831), (441, 146911), (749, 86499), (963, 67277), (1373, 47187), (2247, 28833), (4119, 15729), (5243, 12357), (6741, 9611)]