13020903

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 22333584

約数和(自身を除く): 9312681

約数列:

[1, 3, 7, 9, 21, 41, 63, 71, 123, 213, 287, 369, 497, 639, 861, 1491, 2583, 2911, 4473, 5041, 8733, 15123, 20377, 26199, 35287, 45369, 61131, 105861, 183393, 206681, 317583, 620043, 1446767, 1860129, 4340301, 13020903]

約数ペア:

[(1, 13020903), (3, 4340301), (7, 1860129), (9, 1446767), (21, 620043), (41, 317583), (63, 206681), (71, 183393), (123, 105861), (213, 61131), (287, 45369), (369, 35287), (497, 26199), (639, 20377), (861, 15123), (1491, 8733), (2583, 5041), (2911, 4473)]