2021898213

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{142097}}^1$

素因数の和:142154

約数の個数: 32

約数和(自身を含む): 3273937920

約数和(自身を除く): 1252039707

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 279, 459, 527, 837, 1581, 4743, 14229, 142097, 426291, 1278873, 2415649, 3836619, 4405007, 7246947, 13215021, 21740841, 39645063, 65222523, 74885119, 118935189, 224655357, 673966071, 2021898213]

約数ペア:

[(1, 2021898213), (3, 673966071), (9, 224655357), (17, 118935189), (27, 74885119), (31, 65222523), (51, 39645063), (93, 21740841), (153, 13215021), (279, 7246947), (459, 4405007), (527, 3836619), (837, 2415649), (1581, 1278873), (4743, 426291), (14229, 142097)]