90253947

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 142016512

約数和(自身を除く): 51762565

約数列:

[1, 3, 7, 21, 43, 127, 129, 301, 381, 787, 889, 903, 2361, 2667, 5461, 5509, 16383, 16527, 33841, 38227, 99949, 101523, 114681, 236887, 299847, 699643, 710661, 2098929, 4297807, 12893421, 30084649, 90253947]

約数ペア:

[(1, 90253947), (3, 30084649), (7, 12893421), (21, 4297807), (43, 2098929), (127, 710661), (129, 699643), (301, 299847), (381, 236887), (787, 114681), (889, 101523), (903, 99949), (2361, 38227), (2667, 33841), (5461, 16527), (5509, 16383)]