7977879

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 15482880

約数和(自身を除く): 7505001

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 191, 221, 273, 351, 357, 459, 573, 663, 819, 1071, 1337, 1547, 1719, 1989, 2457, 2483, 3213, 3247, 4011, 4641, 5157, 5967, 7449, 9741, 12033, 13923, 17381, 22347, 22729, 29223, 36099, 41769, 42211, 52143, 67041, 68187, 87669, 126633, 156429, 204561, 295477, 379899, 469287, 613683, 886431, 1139697, 2659293, 7977879]

約数ペア:

[(1, 7977879), (3, 2659293), (7, 1139697), (9, 886431), (13, 613683), (17, 469287), (21, 379899), (27, 295477), (39, 204561), (51, 156429), (63, 126633), (91, 87669), (117, 68187), (119, 67041), (153, 52143), (189, 42211), (191, 41769), (221, 36099), (273, 29223), (351, 22729), (357, 22347), (459, 17381), (573, 13923), (663, 12033), (819, 9741), (1071, 7449), (1337, 5967), (1547, 5157), (1719, 4641), (1989, 4011), (2457, 3247), (2483, 3213)]