81515403

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 127456560

約数和(自身を除く): 45941157

約数列:

[1, 3, 9, 27, 37, 59, 81, 111, 177, 333, 461, 531, 999, 1383, 1593, 2183, 2997, 4149, 4779, 6549, 12447, 17057, 19647, 27199, 37341, 51171, 58941, 81597, 153513, 176823, 244791, 460539, 734373, 1006363, 1381617, 2203119, 3019089, 9057267, 27171801, 81515403]

約数ペア:

[(1, 81515403), (3, 27171801), (9, 9057267), (27, 3019089), (37, 2203119), (59, 1381617), (81, 1006363), (111, 734373), (177, 460539), (333, 244791), (461, 176823), (531, 153513), (999, 81597), (1383, 58941), (1593, 51171), (2183, 37341), (2997, 27199), (4149, 19647), (4779, 17057), (6549, 12447)]