286817181

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 469303296

約数和(自身を除く): 182486115

約数列:

[1, 3, 7, 21, 41, 43, 61, 123, 127, 129, 183, 287, 301, 381, 427, 861, 889, 903, 1281, 1763, 2501, 2623, 2667, 5207, 5289, 5461, 7503, 7747, 7869, 12341, 15621, 16383, 17507, 18361, 23241, 36449, 37023, 38227, 52521, 54229, 55083, 107543, 109347, 114681, 162687, 223901, 317627, 322629, 333121, 671703, 752801, 952881, 999363, 1567307, 2223389, 2258403, 2331847, 4701921, 6670167, 6995541, 13657961, 40973883, 95605727, 286817181]

約数ペア:

[(1, 286817181), (3, 95605727), (7, 40973883), (21, 13657961), (41, 6995541), (43, 6670167), (61, 4701921), (123, 2331847), (127, 2258403), (129, 2223389), (183, 1567307), (287, 999363), (301, 952881), (381, 752801), (427, 671703), (861, 333121), (889, 322629), (903, 317627), (1281, 223901), (1763, 162687), (2501, 114681), (2623, 109347), (2667, 107543), (5207, 55083), (5289, 54229), (5461, 52521), (7503, 38227), (7747, 37023), (7869, 36449), (12341, 23241), (15621, 18361), (16383, 17507)]