821497677

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1913}}^1$

素因数の和:1971

約数の個数: 72

約数和(自身を含む): 1490715072

約数和(自身を除く): 669217395

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 121, 143, 169, 231, 273, 363, 429, 507, 847, 1001, 1183, 1573, 1859, 1913, 2541, 3003, 3549, 4719, 5577, 5739, 11011, 13013, 13391, 20449, 21043, 24869, 33033, 39039, 40173, 61347, 63129, 74607, 143143, 147301, 174083, 231473, 273559, 323297, 429429, 441903, 522249, 694419, 820677, 969891, 1620311, 1914913, 2263079, 3009149, 3556267, 4860933, 5744739, 6789237, 9027447, 10668801, 21064043, 24893869, 39118937, 63192129, 74681607, 117356811, 273832559, 821497677]

約数ペア:

[(1, 821497677), (3, 273832559), (7, 117356811), (11, 74681607), (13, 63192129), (21, 39118937), (33, 24893869), (39, 21064043), (77, 10668801), (91, 9027447), (121, 6789237), (143, 5744739), (169, 4860933), (231, 3556267), (273, 3009149), (363, 2263079), (429, 1914913), (507, 1620311), (847, 969891), (1001, 820677), (1183, 694419), (1573, 522249), (1859, 441903), (1913, 429429), (2541, 323297), (3003, 273559), (3549, 231473), (4719, 174083), (5577, 147301), (5739, 143143), (11011, 74607), (13013, 63129), (13391, 61347), (20449, 40173), (21043, 39039), (24869, 33033)]