1281537

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 1991808

約数和(自身を除く): 710271

約数列:

[1, 3, 9, 23, 41, 69, 123, 151, 207, 369, 453, 943, 1359, 2829, 3473, 6191, 8487, 10419, 18573, 31257, 55719, 142393, 427179, 1281537]

約数ペア:

[(1, 1281537), (3, 427179), (9, 142393), (23, 55719), (41, 31257), (69, 18573), (123, 10419), (151, 8487), (207, 6191), (369, 3473), (453, 2829), (943, 1359)]