81291798

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28051}}^1$

素因数の和:28089

約数の個数: 48

約数和(自身を含む): 210053376

約数和(自身を除く): 128761578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 28051, 56102, 84153, 168306, 196357, 252459, 392714, 504918, 589071, 645173, 1178142, 1290346, 1767213, 1935519, 3534426, 3871038, 4516211, 5806557, 9032422, 11613114, 13548633, 27097266, 40645899, 81291798]

約数ペア:

[(1, 81291798), (2, 40645899), (3, 27097266), (6, 13548633), (7, 11613114), (9, 9032422), (14, 5806557), (18, 4516211), (21, 3871038), (23, 3534426), (42, 1935519), (46, 1767213), (63, 1290346), (69, 1178142), (126, 645173), (138, 589071), (161, 504918), (207, 392714), (322, 252459), (414, 196357), (483, 168306), (966, 84153), (1449, 56102), (2898, 28051)]