218590947

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{476233}}^1$

素因数の和:476259

約数の個数: 16

約数和(自身を含む): 342888480

約数和(自身を除く): 124297533

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 476233, 1428699, 4286097, 8095961, 12858291, 24287883, 72863649, 218590947]

約数ペア:

[(1, 218590947), (3, 72863649), (9, 24287883), (17, 12858291), (27, 8095961), (51, 4286097), (153, 1428699), (459, 476233)]