1269715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 1624896

約数和(自身を除く): 355181

約数列:

[1, 5, 23, 61, 115, 181, 305, 905, 1403, 4163, 7015, 11041, 20815, 55205, 253943, 1269715]

約数ペア:

[(1, 1269715), (5, 253943), (23, 55205), (61, 20815), (115, 11041), (181, 7015), (305, 4163), (905, 1403)]