661419

素因数分解:

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

素因数の和:168

約数の個数: 32

約数和(自身を含む): 1140480

約数和(自身を除く): 479061

約数列:

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

約数ペア:

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