207926979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 307980288

約数和(自身を除く): 100053309

約数列:

[1, 3, 13, 39, 61, 71, 183, 213, 793, 923, 1231, 2379, 2769, 3693, 4331, 12993, 16003, 48009, 56303, 75091, 87401, 168909, 225273, 262203, 976183, 1136213, 2928549, 3408639, 5331461, 15994383, 69308993, 207926979]

約数ペア:

[(1, 207926979), (3, 69308993), (13, 15994383), (39, 5331461), (61, 3408639), (71, 2928549), (183, 1136213), (213, 976183), (793, 262203), (923, 225273), (1231, 168909), (2379, 87401), (2769, 75091), (3693, 56303), (4331, 48009), (12993, 16003)]