2783105997

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{188519}}^1$

素因数の和:188585

約数の個数: 32

約数和(自身を含む): 4584806400

約数和(自身を除く): 1801700403

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 14763, 188519, 565557, 1319633, 3581861, 3958899, 6975203, 10745583, 20925609, 25073027, 48826421, 75219081, 132528857, 146479263, 397586571, 927701999, 2783105997]

約数ペア:

[(1, 2783105997), (3, 927701999), (7, 397586571), (19, 146479263), (21, 132528857), (37, 75219081), (57, 48826421), (111, 25073027), (133, 20925609), (259, 10745583), (399, 6975203), (703, 3958899), (777, 3581861), (2109, 1319633), (4921, 565557), (14763, 188519)]