1215204045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1381}}^1\times {\mathrm{5333}}^1$

素因数の和:6733

約数の個数: 32

約数和(自身を含む): 2123017344

約数和(自身を除く): 907813299

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1381, 4143, 5333, 6905, 15191, 15999, 20715, 26665, 45573, 58663, 75955, 79995, 175989, 227865, 293315, 879945, 7364873, 22094619, 36824365, 81013603, 110473095, 243040809, 405068015, 1215204045]

約数ペア:

[(1, 1215204045), (3, 405068015), (5, 243040809), (11, 110473095), (15, 81013603), (33, 36824365), (55, 22094619), (165, 7364873), (1381, 879945), (4143, 293315), (5333, 227865), (6905, 175989), (15191, 79995), (15999, 75955), (20715, 58663), (26665, 45573)]