4701921

素因数分解:

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

素因数の和:221

約数の個数: 32

約数和(自身を含む): 7569408

約数和(自身を除く): 2867487

約数列:

[1, 3, 7, 21, 41, 43, 123, 127, 129, 287, 301, 381, 861, 889, 903, 1763, 2667, 5207, 5289, 5461, 12341, 15621, 16383, 36449, 37023, 38227, 109347, 114681, 223901, 671703, 1567307, 4701921]

約数ペア:

[(1, 4701921), (3, 1567307), (7, 671703), (21, 223901), (41, 114681), (43, 109347), (123, 38227), (127, 37023), (129, 36449), (287, 16383), (301, 15621), (381, 12341), (861, 5461), (889, 5289), (903, 5207), (1763, 2667)]