198157023

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 315544320

約数和(自身を除く): 117387297

約数列:

[1, 3, 9, 19, 27, 57, 81, 167, 171, 243, 257, 501, 513, 771, 1503, 1539, 2313, 3173, 4509, 4617, 4883, 6939, 9519, 13527, 14649, 20817, 28557, 40581, 42919, 43947, 62451, 85671, 128757, 131841, 257013, 386271, 395523, 771039, 815461, 1158813, 1186569, 2446383, 3476439, 7339149, 10429317, 22017447, 66052341, 198157023]

約数ペア:

[(1, 198157023), (3, 66052341), (9, 22017447), (19, 10429317), (27, 7339149), (57, 3476439), (81, 2446383), (167, 1186569), (171, 1158813), (243, 815461), (257, 771039), (501, 395523), (513, 386271), (771, 257013), (1503, 131841), (1539, 128757), (2313, 85671), (3173, 62451), (4509, 43947), (4617, 42919), (4883, 40581), (6939, 28557), (9519, 20817), (13527, 14649)]