53311587

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2521}}^1$

素因数の和:2603

約数の個数: 32

約数和(自身を含む): 87160320

約数和(自身を除く): 33848733

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 2521, 3021, 7049, 7563, 17647, 21147, 47899, 52941, 133613, 143697, 335293, 400839, 935291, 1005879, 2538647, 2805873, 7615941, 17770529, 53311587]

約数ペア:

[(1, 53311587), (3, 17770529), (7, 7615941), (19, 2805873), (21, 2538647), (53, 1005879), (57, 935291), (133, 400839), (159, 335293), (371, 143697), (399, 133613), (1007, 52941), (1113, 47899), (2521, 21147), (3021, 17647), (7049, 7563)]