221350609539

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2557}}^1\times {\mathrm{10771}}^1$

素因数の和:13400

約数の個数: 48

約数和(自身を含む): 343883604480

約数和(自身を除く): 122532994941

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2557, 2679, 7671, 8037, 10771, 23013, 32313, 48583, 96939, 120179, 145749, 204649, 360537, 437247, 506237, 613947, 1081611, 1518711, 1841841, 2283401, 4556133, 6850203, 9618503, 20550609, 27541447, 28855509, 82624341, 86566527, 247873023, 523287493, 1294448009, 1569862479, 3883344027, 4709587437, 11650032081, 24594512171, 73783536513, 221350609539]

約数ペア:

[(1, 221350609539), (3, 73783536513), (9, 24594512171), (19, 11650032081), (47, 4709587437), (57, 3883344027), (141, 1569862479), (171, 1294448009), (423, 523287493), (893, 247873023), (2557, 86566527), (2679, 82624341), (7671, 28855509), (8037, 27541447), (10771, 20550609), (23013, 9618503), (32313, 6850203), (48583, 4556133), (96939, 2283401), (120179, 1841841), (145749, 1518711), (204649, 1081611), (360537, 613947), (437247, 506237)]