81767817

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 127724688

約数和(自身を除く): 45956871

約数列:

[1, 3, 9, 37, 41, 53, 111, 113, 123, 159, 333, 339, 369, 477, 1017, 1517, 1961, 2173, 4181, 4551, 4633, 5883, 5989, 6519, 12543, 13653, 13899, 17649, 17967, 19557, 37629, 41697, 53901, 80401, 171421, 221593, 241203, 245549, 514263, 664779, 723609, 736647, 1542789, 1994337, 2209941, 9085313, 27255939, 81767817]

約数ペア:

[(1, 81767817), (3, 27255939), (9, 9085313), (37, 2209941), (41, 1994337), (53, 1542789), (111, 736647), (113, 723609), (123, 664779), (159, 514263), (333, 245549), (339, 241203), (369, 221593), (477, 171421), (1017, 80401), (1517, 53901), (1961, 41697), (2173, 37629), (4181, 19557), (4551, 17967), (4633, 17649), (5883, 13899), (5989, 13653), (6519, 12543)]