19988335089

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{14797}}^1$

素因数の和:14941

約数の個数: 56

約数和(自身を含む): 32024943720

約数和(自身を除く): 12036608631

約数列:

[1, 3, 9, 17, 27, 51, 81, 109, 153, 243, 327, 459, 729, 981, 1377, 1853, 2943, 4131, 5559, 8829, 12393, 14797, 16677, 26487, 44391, 50031, 79461, 133173, 150093, 251549, 399519, 450279, 754647, 1198557, 1350837, 1612873, 2263941, 3595671, 4838619, 6791823, 10787013, 14515857, 20375469, 27418841, 43547571, 61126407, 82256523, 130642713, 183379221, 246769569, 391928139, 740308707, 1175784417, 2220926121, 6662778363, 19988335089]

約数ペア:

[(1, 19988335089), (3, 6662778363), (9, 2220926121), (17, 1175784417), (27, 740308707), (51, 391928139), (81, 246769569), (109, 183379221), (153, 130642713), (243, 82256523), (327, 61126407), (459, 43547571), (729, 27418841), (981, 20375469), (1377, 14515857), (1853, 10787013), (2943, 6791823), (4131, 4838619), (5559, 3595671), (8829, 2263941), (12393, 1612873), (14797, 1350837), (16677, 1198557), (26487, 754647), (44391, 450279), (50031, 399519), (79461, 251549), (133173, 150093)]