6993987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 13353984

約数和(自身を除く): 6359997

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 39, 51, 77, 91, 119, 137, 143, 187, 221, 231, 273, 357, 411, 429, 561, 663, 959, 1001, 1309, 1507, 1547, 1781, 2329, 2431, 2877, 3003, 3927, 4521, 4641, 5343, 6987, 7293, 10549, 12467, 16303, 17017, 19591, 25619, 30277, 31647, 37401, 48909, 51051, 58773, 76857, 90831, 137137, 179333, 211939, 333047, 411411, 537999, 635817, 999141, 2331329, 6993987]

約数ペア:

[(1, 6993987), (3, 2331329), (7, 999141), (11, 635817), (13, 537999), (17, 411411), (21, 333047), (33, 211939), (39, 179333), (51, 137137), (77, 90831), (91, 76857), (119, 58773), (137, 51051), (143, 48909), (187, 37401), (221, 31647), (231, 30277), (273, 25619), (357, 19591), (411, 17017), (429, 16303), (561, 12467), (663, 10549), (959, 7293), (1001, 6987), (1309, 5343), (1507, 4641), (1547, 4521), (1781, 3927), (2329, 3003), (2431, 2877)]