203939841

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{503}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 319334400

約数和(自身を除く): 115394559

約数列:

[1, 3, 7, 21, 43, 129, 301, 449, 503, 903, 1347, 1509, 3143, 3521, 9429, 10563, 19307, 21629, 57921, 64887, 135149, 151403, 225847, 405447, 454209, 677541, 1580929, 4742787, 9711421, 29134263, 67979947, 203939841]

約数ペア:

[(1, 203939841), (3, 67979947), (7, 29134263), (21, 9711421), (43, 4742787), (129, 1580929), (301, 677541), (449, 454209), (503, 405447), (903, 225847), (1347, 151403), (1509, 135149), (3143, 64887), (3521, 57921), (9429, 21629), (10563, 19307)]