18197055

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 34673184

約数和(自身を除く): 16476129

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 881, 1215, 1377, 2295, 2643, 4131, 4405, 6885, 7929, 13215, 14977, 20655, 23787, 39645, 44931, 71361, 74885, 118935, 134793, 214083, 224655, 356805, 404379, 673965, 1070415, 1213137, 2021895, 3639411, 6065685, 18197055]

約数ペア:

[(1, 18197055), (3, 6065685), (5, 3639411), (9, 2021895), (15, 1213137), (17, 1070415), (27, 673965), (45, 404379), (51, 356805), (81, 224655), (85, 214083), (135, 134793), (153, 118935), (243, 74885), (255, 71361), (405, 44931), (459, 39645), (765, 23787), (881, 20655), (1215, 14977), (1377, 13215), (2295, 7929), (2643, 6885), (4131, 4405)]