291254013

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 458181360

約数和(自身を除く): 166927347

約数列:

[1, 3, 9, 17, 51, 73, 89, 153, 219, 267, 293, 657, 801, 879, 1241, 1513, 2637, 3723, 4539, 4981, 6497, 11169, 13617, 14943, 19491, 21389, 26077, 44829, 58473, 64167, 78231, 110449, 192501, 234693, 331347, 363613, 443309, 994041, 1090839, 1329927, 1903621, 3272517, 3989781, 5710863, 17132589, 32361557, 97084671, 291254013]

約数ペア:

[(1, 291254013), (3, 97084671), (9, 32361557), (17, 17132589), (51, 5710863), (73, 3989781), (89, 3272517), (153, 1903621), (219, 1329927), (267, 1090839), (293, 994041), (657, 443309), (801, 363613), (879, 331347), (1241, 234693), (1513, 192501), (2637, 110449), (3723, 78231), (4539, 64167), (4981, 58473), (6497, 44829), (11169, 26077), (13617, 21389), (14943, 19491)]