17972757

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 30663360

約数和(自身を除く): 12690603

約数列:

[1, 3, 9, 11, 17, 33, 51, 59, 99, 153, 177, 181, 187, 531, 543, 561, 649, 1003, 1629, 1683, 1947, 1991, 3009, 3077, 5841, 5973, 9027, 9231, 10679, 11033, 17919, 27693, 32037, 33099, 33847, 96111, 99297, 101541, 117469, 181543, 304623, 352407, 544629, 1057221, 1633887, 1996973, 5990919, 17972757]

約数ペア:

[(1, 17972757), (3, 5990919), (9, 1996973), (11, 1633887), (17, 1057221), (33, 544629), (51, 352407), (59, 304623), (99, 181543), (153, 117469), (177, 101541), (181, 99297), (187, 96111), (531, 33847), (543, 33099), (561, 32037), (649, 27693), (1003, 17919), (1629, 11033), (1683, 10679), (1947, 9231), (1991, 9027), (3009, 5973), (3077, 5841)]