13437009

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8731}}^1$

素因数の和:8762

約数の個数: 20

約数和(自身を含む): 21131440

約数和(自身を除く): 7694431

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8731, 26193, 78579, 165889, 235737, 497667, 707211, 1493001, 4479003, 13437009]

約数ペア:

[(1, 13437009), (3, 4479003), (9, 1493001), (19, 707211), (27, 497667), (57, 235737), (81, 165889), (171, 78579), (513, 26193), (1539, 8731)]