23720319

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5303}}^1$

素因数の和:5387

約数の個数: 24

約数和(自身を含む): 39716352

約数和(自身を除く): 15996033

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 5303, 15909, 37121, 47727, 111363, 334089, 376513, 1129539, 2635591, 3388617, 7906773, 23720319]

約数ペア:

[(1, 23720319), (3, 7906773), (7, 3388617), (9, 2635591), (21, 1129539), (63, 376513), (71, 334089), (213, 111363), (497, 47727), (639, 37121), (1491, 15909), (4473, 5303)]