209218515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{15277}}^1$

素因数の和:15379

約数の個数: 32

約数和(自身を含む): 369605376

約数和(自身を除く): 160386861

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 2739, 4565, 13695, 15277, 45831, 76385, 168047, 229155, 504141, 840235, 1267991, 2520705, 3803973, 6339955, 13947901, 19019865, 41843703, 69739505, 209218515]

約数ペア:

[(1, 209218515), (3, 69739505), (5, 41843703), (11, 19019865), (15, 13947901), (33, 6339955), (55, 3803973), (83, 2520705), (165, 1267991), (249, 840235), (415, 504141), (913, 229155), (1245, 168047), (2739, 76385), (4565, 45831), (13695, 15277)]