67287915

素因数分解:

$3^5\times 5^1\times {\mathrm{55381}}^1$

素因数の和:55401

約数の個数: 24

約数和(自身を含む): 120954288

約数和(自身を除く): 53666373

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 55381, 166143, 276905, 498429, 830715, 1495287, 2492145, 4485861, 7476435, 13457583, 22429305, 67287915]

約数ペア:

[(1, 67287915), (3, 22429305), (5, 13457583), (9, 7476435), (15, 4485861), (27, 2492145), (45, 1495287), (81, 830715), (135, 498429), (243, 276905), (405, 166143), (1215, 55381)]