261567171

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{2447}}^1$

素因数の和:2600

約数の個数: 32

約数和(自身を含む): 401863680

約数和(自身を除く): 140296509

約数列:

[1, 3, 9, 27, 37, 107, 111, 321, 333, 963, 999, 2447, 2889, 3959, 7341, 11877, 22023, 35631, 66069, 90539, 106893, 261829, 271617, 785487, 814851, 2356461, 2444553, 7069383, 9687673, 29063019, 87189057, 261567171]

約数ペア:

[(1, 261567171), (3, 87189057), (9, 29063019), (27, 9687673), (37, 7069383), (107, 2444553), (111, 2356461), (321, 814851), (333, 785487), (963, 271617), (999, 261829), (2447, 106893), (2889, 90539), (3959, 66069), (7341, 35631), (11877, 22023)]