20131041

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 31868928

約数和(自身を除く): 11737887

約数列:

[1, 3, 7, 21, 41, 103, 123, 227, 287, 309, 681, 721, 861, 1589, 2163, 4223, 4767, 9307, 12669, 23381, 27921, 29561, 65149, 70143, 88683, 163667, 195447, 491001, 958621, 2875863, 6710347, 20131041]

約数ペア:

[(1, 20131041), (3, 6710347), (7, 2875863), (21, 958621), (41, 491001), (103, 195447), (123, 163667), (227, 88683), (287, 70143), (309, 65149), (681, 29561), (721, 27921), (861, 23381), (1589, 12669), (2163, 9307), (4223, 4767)]