213678645

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{373}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 346329984

約数和(自身を除く): 132651339

約数列:

[1, 3, 5, 15, 181, 211, 373, 543, 633, 905, 1055, 1119, 1865, 2715, 3165, 5595, 38191, 67513, 78703, 114573, 190955, 202539, 236109, 337565, 393515, 572865, 1012695, 1180545, 14245243, 42735729, 71226215, 213678645]

約数ペア:

[(1, 213678645), (3, 71226215), (5, 42735729), (15, 14245243), (181, 1180545), (211, 1012695), (373, 572865), (543, 393515), (633, 337565), (905, 236109), (1055, 202539), (1119, 190955), (1865, 114573), (2715, 78703), (3165, 67513), (5595, 38191)]