778894011

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{11437}}^1$

素因数の和:11520

約数の個数: 48

約数和(自身を含む): 1370363904

約数和(自身を除く): 591469893

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 423, 483, 987, 1081, 1449, 2961, 3243, 7567, 9729, 11437, 22701, 34311, 68103, 80059, 102933, 240177, 263051, 537539, 720531, 789153, 1612617, 1841357, 2367459, 3762773, 4837851, 5524071, 11288319, 12363397, 16572213, 33864957, 37090191, 86543779, 111270573, 259631337, 778894011]

約数ペア:

[(1, 778894011), (3, 259631337), (7, 111270573), (9, 86543779), (21, 37090191), (23, 33864957), (47, 16572213), (63, 12363397), (69, 11288319), (141, 5524071), (161, 4837851), (207, 3762773), (329, 2367459), (423, 1841357), (483, 1612617), (987, 789153), (1081, 720531), (1449, 537539), (2961, 263051), (3243, 240177), (7567, 102933), (9729, 80059), (11437, 68103), (22701, 34311)]