24721947

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 36900864

約数和(自身を除く): 12178917

約数列:

[1, 3, 9, 43, 127, 129, 381, 387, 503, 1143, 1509, 4527, 5461, 16383, 21629, 49149, 63881, 64887, 191643, 194661, 574929, 2746883, 8240649, 24721947]

約数ペア:

[(1, 24721947), (3, 8240649), (9, 2746883), (43, 574929), (127, 194661), (129, 191643), (381, 64887), (387, 63881), (503, 49149), (1143, 21629), (1509, 16383), (4527, 5461)]