201357009

素因数分解:

$3^4\times 7^1\times {\mathrm{355127}}^1$

素因数の和:355146

約数の個数: 20

約数和(自身を含む): 343763904

約数和(自身を除く): 142406895

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355127, 1065381, 2485889, 3196143, 7457667, 9588429, 22373001, 28765287, 67119003, 201357009]

約数ペア:

[(1, 201357009), (3, 67119003), (7, 28765287), (9, 22373001), (21, 9588429), (27, 7457667), (63, 3196143), (81, 2485889), (189, 1065381), (567, 355127)]