172592637

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1409}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 277939200

約数和(自身を除く): 105346563

約数列:

[1, 3, 7, 19, 21, 57, 133, 307, 399, 921, 1409, 2149, 4227, 5833, 6447, 9863, 17499, 26771, 29589, 40831, 80313, 122493, 187397, 432563, 562191, 1297689, 3027941, 8218697, 9083823, 24656091, 57530879, 172592637]

約数ペア:

[(1, 172592637), (3, 57530879), (7, 24656091), (19, 9083823), (21, 8218697), (57, 3027941), (133, 1297689), (307, 562191), (399, 432563), (921, 187397), (1409, 122493), (2149, 80313), (4227, 40831), (5833, 29589), (6447, 26771), (9863, 17499)]