259715247

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 398578656

約数和(自身を除く): 138863409

約数列:

[1, 3, 11, 33, 37, 61, 111, 121, 183, 317, 363, 407, 671, 951, 1221, 2013, 2257, 3487, 4477, 6771, 7381, 10461, 11729, 13431, 19337, 22143, 24827, 35187, 38357, 58011, 74481, 115071, 129019, 212707, 273097, 387057, 638121, 715469, 819291, 1419209, 2146407, 2339777, 4257627, 7019331, 7870159, 23610477, 86571749, 259715247]

約数ペア:

[(1, 259715247), (3, 86571749), (11, 23610477), (33, 7870159), (37, 7019331), (61, 4257627), (111, 2339777), (121, 2146407), (183, 1419209), (317, 819291), (363, 715469), (407, 638121), (671, 387057), (951, 273097), (1221, 212707), (2013, 129019), (2257, 115071), (3487, 74481), (4477, 58011), (6771, 38357), (7381, 35187), (10461, 24827), (11729, 22143), (13431, 19337)]