27657981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6389}}^1$

素因数の和:6445

約数の個数: 24

約数和(自身を含む): 44193240

約数和(自身を除く): 16535259

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 6389, 19167, 57501, 83057, 236393, 249171, 709179, 747513, 2127537, 3073109, 9219327, 27657981]

約数ペア:

[(1, 27657981), (3, 9219327), (9, 3073109), (13, 2127537), (37, 747513), (39, 709179), (111, 249171), (117, 236393), (333, 83057), (481, 57501), (1443, 19167), (4329, 6389)]