26280135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4428

約数の個数: 48

約数和(自身を含む): 54812160

約数和(自身を除く): 28532025

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4391, 5985, 13173, 21955, 30737, 39519, 65865, 83429, 92211, 153685, 197595, 250287, 276633, 417145, 461055, 584003, 750861, 1251435, 1383165, 1752009, 2920015, 3754305, 5256027, 8760045, 26280135]

約数ペア:

[(1, 26280135), (3, 8760045), (5, 5256027), (7, 3754305), (9, 2920015), (15, 1752009), (19, 1383165), (21, 1251435), (35, 750861), (45, 584003), (57, 461055), (63, 417145), (95, 276633), (105, 250287), (133, 197595), (171, 153685), (285, 92211), (315, 83429), (399, 65865), (665, 39519), (855, 30737), (1197, 21955), (1995, 13173), (4391, 5985)]