13478031

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{613}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 22349600

約数和(自身を除く): 8871569

約数列:

[1, 3, 7, 9, 21, 63, 349, 613, 1047, 1839, 2443, 3141, 4291, 5517, 7329, 12873, 21987, 38619, 213937, 641811, 1497559, 1925433, 4492677, 13478031]

約数ペア:

[(1, 13478031), (3, 4492677), (7, 1925433), (9, 1497559), (21, 641811), (63, 213937), (349, 38619), (613, 21987), (1047, 12873), (1839, 7329), (2443, 5517), (3141, 4291)]