28222551

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1291}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 46760064

約数和(自身を除く): 18537513

約数列:

[1, 3, 7, 9, 21, 63, 347, 1041, 1291, 2429, 3123, 3873, 7287, 9037, 11619, 21861, 27111, 81333, 447977, 1343931, 3135839, 4031793, 9407517, 28222551]

約数ペア:

[(1, 28222551), (3, 9407517), (7, 4031793), (9, 3135839), (21, 1343931), (63, 447977), (347, 81333), (1041, 27111), (1291, 21861), (2429, 11619), (3123, 9037), (3873, 7287)]