221498253

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{739}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 348451200

約数和(自身を除く): 126952947

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 653, 739, 1959, 2217, 5877, 6651, 11101, 12563, 17631, 19953, 33303, 37689, 99909, 113067, 299727, 339201, 482567, 1447701, 4343103, 8203639, 13029309, 24610917, 73832751, 221498253]

約数ペア:

[(1, 221498253), (3, 73832751), (9, 24610917), (17, 13029309), (27, 8203639), (51, 4343103), (153, 1447701), (459, 482567), (653, 339201), (739, 299727), (1959, 113067), (2217, 99909), (5877, 37689), (6651, 33303), (11101, 19953), (12563, 17631)]