64465815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 106824960

約数和(自身を除く): 42359145

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 445, 645, 1123, 1335, 3369, 3827, 5615, 11481, 16845, 19135, 48289, 57405, 99947, 144867, 241445, 299841, 499735, 724335, 1499205, 4297721, 12893163, 21488605, 64465815]

約数ペア:

[(1, 64465815), (3, 21488605), (5, 12893163), (15, 4297721), (43, 1499205), (89, 724335), (129, 499735), (215, 299841), (267, 241445), (445, 144867), (645, 99947), (1123, 57405), (1335, 48289), (3369, 19135), (3827, 16845), (5615, 11481)]