1984257

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 3449952

約数和(自身を除く): 1465695

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 131, 153, 187, 297, 393, 459, 561, 891, 1179, 1377, 1441, 1683, 2227, 3537, 4323, 5049, 6681, 10611, 12969, 15147, 20043, 24497, 38907, 60129, 73491, 116721, 180387, 220473, 661419, 1984257]

約数ペア:

[(1, 1984257), (3, 661419), (9, 220473), (11, 180387), (17, 116721), (27, 73491), (33, 60129), (51, 38907), (81, 24497), (99, 20043), (131, 15147), (153, 12969), (187, 10611), (297, 6681), (393, 5049), (459, 4323), (561, 3537), (891, 2227), (1179, 1683), (1377, 1441)]