67138281

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1691

約数の個数: 48

約数和(自身を含む): 119508480

約数和(自身を除く): 52370199

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 651, 837, 1323, 1519, 1637, 1953, 4557, 4911, 5859, 11459, 13671, 14733, 34377, 41013, 44199, 50747, 80213, 103131, 152241, 240639, 309393, 355229, 456723, 721917, 1065687, 1370169, 2165751, 2486603, 3197061, 7459809, 9591183, 22379427, 67138281]

約数ペア:

[(1, 67138281), (3, 22379427), (7, 9591183), (9, 7459809), (21, 3197061), (27, 2486603), (31, 2165751), (49, 1370169), (63, 1065687), (93, 721917), (147, 456723), (189, 355229), (217, 309393), (279, 240639), (441, 152241), (651, 103131), (837, 80213), (1323, 50747), (1519, 44199), (1637, 41013), (1953, 34377), (4557, 14733), (4911, 13671), (5859, 11459)]