9805145

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 14139648

約数和(自身を除く): 4334503

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1291, 1519, 6455, 7595, 9037, 40021, 45185, 63259, 200105, 280147, 316295, 1400735, 1961029, 9805145]

約数ペア:

[(1, 9805145), (5, 1961029), (7, 1400735), (31, 316295), (35, 280147), (49, 200105), (155, 63259), (217, 45185), (245, 40021), (1085, 9037), (1291, 7595), (1519, 6455)]