57712581

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 90604800

約数和(自身を除く): 32892219

約数列:

[1, 3, 9, 27, 29, 79, 81, 87, 237, 261, 311, 711, 783, 933, 2133, 2291, 2349, 2799, 6399, 6873, 8397, 9019, 20619, 24569, 25191, 27057, 61857, 73707, 81171, 185571, 221121, 243513, 663363, 712501, 730539, 1990089, 2137503, 6412509, 19237527, 57712581]

約数ペア:

[(1, 57712581), (3, 19237527), (9, 6412509), (27, 2137503), (29, 1990089), (79, 730539), (81, 712501), (87, 663363), (237, 243513), (261, 221121), (311, 185571), (711, 81171), (783, 73707), (933, 61857), (2133, 27057), (2291, 25191), (2349, 24569), (2799, 20619), (6399, 9019), (6873, 8397)]