17904159

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 33602184

約数和(自身を除く): 15698025

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 273, 347, 351, 441, 567, 637, 819, 1041, 1053, 1323, 1911, 2429, 2457, 3123, 3969, 4511, 5733, 7287, 7371, 9369, 13533, 17003, 17199, 21861, 28107, 31577, 40599, 51009, 51597, 65583, 94731, 121797, 153027, 196749, 221039, 284193, 365391, 459081, 663117, 852579, 1377243, 1989351, 2557737, 5968053, 17904159]

約数ペア:

[(1, 17904159), (3, 5968053), (7, 2557737), (9, 1989351), (13, 1377243), (21, 852579), (27, 663117), (39, 459081), (49, 365391), (63, 284193), (81, 221039), (91, 196749), (117, 153027), (147, 121797), (189, 94731), (273, 65583), (347, 51597), (351, 51009), (441, 40599), (567, 31577), (637, 28107), (819, 21861), (1041, 17199), (1053, 17003), (1323, 13533), (1911, 9369), (2429, 7371), (2457, 7287), (3123, 5733), (3969, 4511)]