313128531

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8597}}^1$

素因数の和:8696

約数の個数: 32

約数和(自身を含む): 495244800

約数和(自身を除く): 182116269

約数列:

[1, 3, 9, 19, 27, 57, 71, 171, 213, 513, 639, 1349, 1917, 4047, 8597, 12141, 25791, 36423, 77373, 163343, 232119, 490029, 610387, 1470087, 1831161, 4410261, 5493483, 11597353, 16480449, 34792059, 104376177, 313128531]

約数ペア:

[(1, 313128531), (3, 104376177), (9, 34792059), (19, 16480449), (27, 11597353), (57, 5493483), (71, 4410261), (171, 1831161), (213, 1470087), (513, 610387), (639, 490029), (1349, 232119), (1917, 163343), (4047, 77373), (8597, 36423), (12141, 25791)]