39402405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2909}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 79896960

約数和(自身を除く): 40494555

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2709, 2909, 4515, 8727, 13545, 14545, 20363, 26181, 43635, 61089, 101815, 125087, 130905, 183267, 305445, 375261, 625435, 875609, 916335, 1125783, 1876305, 2626827, 4378045, 5628915, 7880481, 13134135, 39402405]

約数ペア:

[(1, 39402405), (3, 13134135), (5, 7880481), (7, 5628915), (9, 4378045), (15, 2626827), (21, 1876305), (35, 1125783), (43, 916335), (45, 875609), (63, 625435), (105, 375261), (129, 305445), (215, 183267), (301, 130905), (315, 125087), (387, 101815), (645, 61089), (903, 43635), (1505, 26181), (1935, 20363), (2709, 14545), (2909, 13545), (4515, 8727)]