2019980157

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 2925659520

約数和(自身を除く): 905679363

約数列:

[1, 3, 13, 39, 227, 401, 569, 681, 1203, 1707, 2951, 5213, 7397, 8853, 15639, 22191, 91027, 129163, 228169, 273081, 387489, 684507, 1183351, 1679119, 2966197, 3550053, 5037357, 8898591, 51794363, 155383089, 673326719, 2019980157]

約数ペア:

[(1, 2019980157), (3, 673326719), (13, 155383089), (39, 51794363), (227, 8898591), (401, 5037357), (569, 3550053), (681, 2966197), (1203, 1679119), (1707, 1183351), (2951, 684507), (5213, 387489), (7397, 273081), (8853, 228169), (15639, 129163), (22191, 91027)]