189557949

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 300960000

約数和(自身を除く): 111402051

約数列:

[1, 3, 7, 21, 29, 87, 149, 203, 447, 609, 1043, 2089, 3129, 4321, 6267, 12963, 14623, 30247, 43869, 60581, 90741, 181743, 311261, 424067, 933783, 1272201, 2178827, 6536481, 9026569, 27079707, 63185983, 189557949]

約数ペア:

[(1, 189557949), (3, 63185983), (7, 27079707), (21, 9026569), (29, 6536481), (87, 2178827), (149, 1272201), (203, 933783), (447, 424067), (609, 311261), (1043, 181743), (2089, 90741), (3129, 60581), (4321, 43869), (6267, 30247), (12963, 14623)]