127908531

素因数分解:

$3^3\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 202350720

約数和(自身を除く): 74442189

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 131, 261, 387, 393, 783, 841, 1161, 1179, 1247, 2523, 3537, 3741, 3799, 5633, 7569, 11223, 11397, 16899, 22707, 33669, 34191, 36163, 50697, 102573, 108489, 110171, 152091, 163357, 325467, 330513, 490071, 976401, 991539, 1470213, 2974617, 4410639, 4737353, 14212059, 42636177, 127908531]

約数ペア:

[(1, 127908531), (3, 42636177), (9, 14212059), (27, 4737353), (29, 4410639), (43, 2974617), (87, 1470213), (129, 991539), (131, 976401), (261, 490071), (387, 330513), (393, 325467), (783, 163357), (841, 152091), (1161, 110171), (1179, 108489), (1247, 102573), (2523, 50697), (3537, 36163), (3741, 34191), (3799, 33669), (5633, 22707), (7569, 16899), (11223, 11397)]