81692065

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1973}}^1$

素因数の和:2018

約数の個数: 36

約数和(自身を含む): 123544764

約数和(自身を除く): 41852699

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 455, 637, 845, 1183, 1973, 3185, 5915, 8281, 9865, 13811, 25649, 41405, 69055, 96677, 128245, 179543, 333437, 483385, 897715, 1256801, 1667185, 2334059, 6284005, 11670295, 16338413, 81692065]

約数ペア:

[(1, 81692065), (5, 16338413), (7, 11670295), (13, 6284005), (35, 2334059), (49, 1667185), (65, 1256801), (91, 897715), (169, 483385), (245, 333437), (455, 179543), (637, 128245), (845, 96677), (1183, 69055), (1973, 41405), (3185, 25649), (5915, 13811), (8281, 9865)]